Command A vs Gemini 3.1 Pro Preview
Updated October 21, 2026. 54 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.
vs boards won of 54 shared
Decision reading
Only Gemini 3.1 Pro Preview has a coding score, 32.3 on the Vibe Coding Index; Command A has none, so the two cannot be ranked on coding.
Command A has the edge where output tokens cost 1.2x less.
Model ACommand ACohereNot benchmarked1 independent benchmark$2.69 per solved taskModel BGemini 3.1 Pro PreviewGoogle32.3/1004 independent benchmarks$0.99 per solved task
- Shared results
- 54
- Command A only
- 6
- Gemini 3.1 Pro Preview only
- 77
- Like-for-like categories
- 7 of 9
Shared results can support a head-to-head reading. Results only one model has describe coverage, not superiority.
Which one for your work
Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.
Coding
Vibe Coding Index, six public coding benchmarks
No call
Only Gemini 3.1 Pro Preview has a coding score, so no call is made.
One side not measured
Intelligence
AA Intelligence Index
Gemini 3.1 Pro Preview
Gemini 3.1 Pro Preview leads, 29.7 against 13.1.
Same board, both measured
Agentic work
AA Agentic Index
Gemini 3.1 Pro Preview
Gemini 3.1 Pro Preview leads, 8.2 against 1.0.
Same board, both measured
Reasoning
GPQA Diamond
Gemini 3.1 Pro Preview
Gemini 3.1 Pro Preview leads, 95.5% against 48.5%.
Same board, both measured
Math
AIME
Gemini 3.1 Pro Preview
Gemini 3.1 Pro Preview leads, 98.1% against 13.3%.
Same board, both measured
Knowledge
MMLU Pro
Gemini 3.1 Pro Preview
Gemini 3.1 Pro Preview leads, 91.0% against 69.2%.
Same board, both measured
Web design
Design Arena: websites
No call
Only Gemini 3.1 Pro Preview has a Design Arena: websites result, 1234.
Directional only
Long documents
Listed context window
Gemini 3.1 Pro Preview
Gemini 3.1 Pro Preview takes 1.05M tokens against 256K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Command A
Command A $0.0075, Gemini 3.1 Pro Preview $0.0080 per turn.
List prices
Cost per solved task
One SWE-bench Verified task, solved
Gemini 3.1 Pro Preview
Command A $2.69, Gemini 3.1 Pro Preview $0.99.
Published attempt cost and pass rate
At a glance
- Coding index
- Command A not benchmarked, Gemini 3.1 Pro Preview 32.3 from 4 benchmarks.
- Widest category
- Math, 47.8 points apart on average over 3 shared benchmarks.
- Widest single gap
- AIME: Command A 13.3% against Gemini 3.1 Pro Preview 98.1%, 84.8 points apart on a 0 to 100 scale.
- Output price
- Command A $10.00 against Gemini 3.1 Pro Preview $12.00 per million output tokens, 1.2x apart.
- Context window
- Command A takes 256K tokens, Gemini 3.1 Pro Preview 1.05M.
Benchmark by benchmark
First the score: boards each model leads, per category, where both have a result. Then every board, a category to a fold; bars are each result on a 0 to 100 scale, so compare the two in a row, not one row with another.
| Category | Command A | Bars | Gemini 3.1 Pro Preview | Ties |
|---|---|---|---|---|
| Coding | 0 | 8 | ||
| Intelligence | 0 | 1 | ||
| Agentic work | 0 | 3 | ||
| Reasoning | 0 | 6 | ||
| Math | 0 | 3 | ||
| Knowledge | 0 | 11 | ||
| General | 0 | 22 | ||
| All shared boards | 0 | 54 |
CodingLike-for-likeSix of these boards feed the Vibe Coding Index08
| Benchmark | Command A | Gemini 3.1 Pro Preview | Leader |
|---|---|---|---|
| LMArena WebDev | Not measured | 1447 | Only Gemini 3.1 Pro Preview measured |
| AA Coding Index | 27.8 | 68.8 | Gemini 3.1 Pro Preview |
| LiveCodeBench (Vals AI) | 35.1% | 88.5% | Gemini 3.1 Pro Preview |
| SWE-bench Verified (Vals AI) | 7.8% | 78.8% | Gemini 3.1 Pro Preview |
| Terminal-Bench 4 (Vals AI) | Not measured | 2.5% | Only Gemini 3.1 Pro Preview measured |
| Vibe Code Bench (Vals AI) | Not measured | 32.0% | Only Gemini 3.1 Pro Preview measured |
| Code migration (Vals AI) | Not measured | 17.3% | Only Gemini 3.1 Pro Preview measured |
| ProgramBench (Vals AI) | Not measured | 0.0% | Only Gemini 3.1 Pro Preview measured |
| IOI (Vals AI) | Not measured | 51.8% | Only Gemini 3.1 Pro Preview measured |
| Terminal-Bench 2.1 (Vals AI) | 17.6% | 70.8% | Gemini 3.1 Pro Preview |
| Vibe Code Bench 1-100 (Vals AI) | Not measured | 6.7% | Only Gemini 3.1 Pro Preview measured |
| LiveCodeBench (Artificial Analysis run) | 28.7% | Not measured | Only Command A measured |
| SciCode | 38.5% | 58.7% | Gemini 3.1 Pro Preview |
| Terminal-Bench Hard (Artificial Analysis run) | 25.0% | 53.8% | Gemini 3.1 Pro Preview |
| Terminal-Bench | Not measured | 80.2% | Only Gemini 3.1 Pro Preview measured |
| GSO-Bench | Not measured | 22.6% | Only Gemini 3.1 Pro Preview measured |
| WeirdML | Not measured | 72.1% | Only Gemini 3.1 Pro Preview measured |
| MirrorCode | Not measured | 8.9% | Only Gemini 3.1 Pro Preview measured |
| ALE-Bench | Not measured | 1160.6 | Only Gemini 3.1 Pro Preview measured |
| LMArena Text: coding | 1330 | 1484 | Gemini 3.1 Pro Preview |
| LMArena Text: software and IT | 1336 | 1487 | Gemini 3.1 Pro Preview |
| LMArena WebDev: React | Not measured | 1438 | Only Gemini 3.1 Pro Preview measured |
| LMArena WebDev: HTML | Not measured | 1490 | Only Gemini 3.1 Pro Preview measured |
| LMArena WebDev: from an image | Not measured | 1481 | Only Gemini 3.1 Pro Preview measured |
| Neither model has a result on the other 14 boards here | |||
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
| Benchmark | Command A | Gemini 3.1 Pro Preview | Leader |
|---|---|---|---|
| AA Intelligence Index | 13.1 | 29.7 | Gemini 3.1 Pro Preview |
| Neither model has a result on the other 1 board here | |||
Agentic workLike-for-likePublic boards, shown as published, kept out of the index03
| Benchmark | Command A | Gemini 3.1 Pro Preview | Leader |
|---|---|---|---|
| AA Agentic Index | 1.0 | 8.2 | Gemini 3.1 Pro Preview |
| Design Arena: agents building web apps | Not measured | 1125 | Only Gemini 3.1 Pro Preview measured |
| Design Arena: agents building full-stack apps | Not measured | 1068 | Only Gemini 3.1 Pro Preview measured |
| Design Arena: agents building mobile apps | Not measured | 1094 | Only Gemini 3.1 Pro Preview measured |
| Design Arena: agents building Android apps | Not measured | 1056 | Only Gemini 3.1 Pro Preview measured |
| Design Arena: agents building Godot games | Not measured | 1236 | Only Gemini 3.1 Pro Preview measured |
| Design Arena: agents building games | Not measured | 1114 | Only Gemini 3.1 Pro Preview measured |
| Design Arena: HTML slides | Not measured | 1153 | Only Gemini 3.1 Pro Preview measured |
| Design Arena: PowerPoint slides | Not measured | 1065 | Only Gemini 3.1 Pro Preview measured |
| SREBench (Vals AI) | Not measured | 0.0% | Only Gemini 3.1 Pro Preview measured |
| Finance Agent (Vals AI) | 9.0% | 43.0% | Gemini 3.1 Pro Preview |
| Tax Agent Bench (Vals AI) | Not measured | 9.3% | Only Gemini 3.1 Pro Preview measured |
| Legal Research Bench (Vals AI) | Not measured | 20.7% | Only Gemini 3.1 Pro Preview measured |
| Excel Modeling Benchmark (Vals AI) | Not measured | 52.6% | Only Gemini 3.1 Pro Preview measured |
| BioMysteryBench (Vals AI) | Not measured | 60.0% | Only Gemini 3.1 Pro Preview measured |
| Terminal-Bench-Science (Vals AI) | Not measured | 1.4% | Only Gemini 3.1 Pro Preview measured |
| Vals Science Index | Not measured | 27.4% | Only Gemini 3.1 Pro Preview measured |
| τ²-Bench Telecom | 80.7% | 95.6% | Gemini 3.1 Pro Preview |
| APEX-Agents | Not measured | 35.1% | Only Gemini 3.1 Pro Preview measured |
| METR time horizons | Not measured | 77.0% | Only Gemini 3.1 Pro Preview measured |
| BALROG | Not measured | 57.0% | Only Gemini 3.1 Pro Preview measured |
| DeepResearch Bench | Not measured | 47.8% | Only Gemini 3.1 Pro Preview measured |
| PostTrainBench | Not measured | 22.0% | Only Gemini 3.1 Pro Preview measured |
| Vending-Bench 2 | Not measured | $911 | Only Gemini 3.1 Pro Preview measured |
| Neither model has a result on the other 15 boards here | |||
ReasoningLike-for-likePublic boards, shown as published, kept out of the index06
| Benchmark | Command A | Gemini 3.1 Pro Preview | Leader |
|---|---|---|---|
| GPQA Diamond | 48.5% | 95.5% | Gemini 3.1 Pro Preview |
| MysteryMechanism (Vals AI) | Not measured | 20.7% | Only Gemini 3.1 Pro Preview measured |
| MMMU Pro (Vals AI) | Not measured | 88.2% | Only Gemini 3.1 Pro Preview measured |
| GPQA Diamond (Artificial Analysis run) | 76.1% | 94.1% | Gemini 3.1 Pro Preview |
| Humanity's Last Exam (Artificial Analysis run) | 12.0% | 47.0% | Gemini 3.1 Pro Preview |
| GPQA Diamond (Epoch AI run) | Not measured | 94.4% | Only Gemini 3.1 Pro Preview measured |
| ARC-AGI | Not measured | 98.0% | Only Gemini 3.1 Pro Preview measured |
| ARC-AGI-2 | Not measured | 77.1% | Only Gemini 3.1 Pro Preview measured |
| SimpleBench | Not measured | 79.6% | Only Gemini 3.1 Pro Preview measured |
| Chess puzzles | Not measured | 51.0% | Only Gemini 3.1 Pro Preview measured |
| Mystery game puzzles | Not measured | 34.0% | Only Gemini 3.1 Pro Preview measured |
| EBR-bench | Not measured | 14.3% | Only Gemini 3.1 Pro Preview measured |
| LMArena Text: hard prompts | 1326 | 1485 | Gemini 3.1 Pro Preview |
| LMArena Text: expert | 1296 | 1483 | Gemini 3.1 Pro Preview |
| LMArena Text: hard prompts in English | 1335 | 1480 | Gemini 3.1 Pro Preview |
| LMArena Vision: diagrams | Not measured | 1311 | Only Gemini 3.1 Pro Preview measured |
| LMArena Vision: homework | Not measured | 1316 | Only Gemini 3.1 Pro Preview measured |
| Neither model has a result on the other 4 boards here | |||
MathLike-for-likePublic boards, shown as published, kept out of the index03
| Benchmark | Command A | Gemini 3.1 Pro Preview | Leader |
|---|---|---|---|
| AIME | 13.3% | 98.1% | Gemini 3.1 Pro Preview |
| MATH 500 (Vals AI) | 76.2% | Not measured | Only Command A measured |
| MGSM (Vals AI) | 85.7% | Not measured | Only Command A measured |
| AA Math Index | 13.0 | Not measured | Only Command A measured |
| AIME 2025 (Artificial Analysis run) | 13.0% | Not measured | Only Command A measured |
| OTIS Mock AIME | Not measured | 95.6% | Only Gemini 3.1 Pro Preview measured |
| FrontierMath, tiers 1 to 3 | Not measured | 59.6% | Only Gemini 3.1 Pro Preview measured |
| FrontierMath, tier 4 | Not measured | 26.8% | Only Gemini 3.1 Pro Preview measured |
| ProofBench | Not measured | 26.0% | Only Gemini 3.1 Pro Preview measured |
| LMArena Text: math | 1300 | 1486 | Gemini 3.1 Pro Preview |
| LMArena Text: mathematical work | 1312 | 1478 | Gemini 3.1 Pro Preview |
| Neither model has a result on the other 2 boards here | |||
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index011
| Benchmark | Command A | Gemini 3.1 Pro Preview | Leader |
|---|---|---|---|
| MMLU Pro | 69.2% | 91.0% | Gemini 3.1 Pro Preview |
| LegalBench (Vals AI) | 79.7% | 87.4% | Gemini 3.1 Pro Preview |
| CaseLaw (Vals AI) | 64.5% | 64.8% | Gemini 3.1 Pro Preview |
| CorpFin (Vals AI) | 46.0% | 64.5% | Gemini 3.1 Pro Preview |
| TaxEval (Vals AI) | 61.4% | 72.9% | Gemini 3.1 Pro Preview |
| MortgageTax (Vals AI) | Not measured | 69.4% | Only Gemini 3.1 Pro Preview measured |
| MedQA (Vals AI) | 80.5% | 96.4% | Gemini 3.1 Pro Preview |
| MedCode (Vals AI) | 19.7% | 59.1% | Gemini 3.1 Pro Preview |
| MMLU Pro (Artificial Analysis run) | 71.2% | Not measured | Only Command A measured |
| SimpleQA Verified | Not measured | 73.5% | Only Gemini 3.1 Pro Preview measured |
| LMArena Text: science | 1339 | 1497 | Gemini 3.1 Pro Preview |
| LMArena Text: medicine and healthcare | 1334 | 1486 | Gemini 3.1 Pro Preview |
| LMArena Text: legal and government | 1348 | 1487 | Gemini 3.1 Pro Preview |
| LMArena Text: business and finance | 1315 | 1459 | Gemini 3.1 Pro Preview |
| Neither model has a result on the other 3 boards here | |||
Web designDirectional onlyPublic boards, shown as published, kept out of the index8 boards, none shared
| Benchmark | Command A | Gemini 3.1 Pro Preview | Leader |
|---|---|---|---|
| Design Arena: websites | Not measured | 1234 | Only Gemini 3.1 Pro Preview measured |
| Design Arena: UI components | Not measured | 1227 | Only Gemini 3.1 Pro Preview measured |
| Design Arena: game dev | Not measured | 1203 | Only Gemini 3.1 Pro Preview measured |
| Design Arena: data viz | Not measured | 1209 | Only Gemini 3.1 Pro Preview measured |
| Design Arena: 3D | Not measured | 1234 | Only Gemini 3.1 Pro Preview measured |
| Design Arena: all code categories | Not measured | 1231 | Only Gemini 3.1 Pro Preview measured |
| Design Arena: SVG | Not measured | 1285 | Only Gemini 3.1 Pro Preview measured |
| Design Arena: ASCII art | Not measured | 1270 | Only Gemini 3.1 Pro Preview measured |
| Neither model has a result on the other 1 board here | |||
GeneralLike-for-likePublic boards, shown as published, kept out of the index022
| Benchmark | Command A | Gemini 3.1 Pro Preview | Leader |
|---|---|---|---|
| Public Benefits Bench (Vals AI) | Not measured | 53.8% | Only Gemini 3.1 Pro Preview measured |
| SAGE (Vals AI) | Not measured | 48.7% | Only Gemini 3.1 Pro Preview measured |
| MedScribe (Vals AI) | 55.7% | 76.1% | Gemini 3.1 Pro Preview |
| Vals Multimodal Index | Not measured | 56.1% | Only Gemini 3.1 Pro Preview measured |
| IFBench | 73.9% | 77.1% | Gemini 3.1 Pro Preview |
| Long context reasoning (AA-LCR) | 52.7% | 82.0% | Gemini 3.1 Pro Preview |
| DTBench | 61.3% | 97.1% | Gemini 3.1 Pro Preview |
| LMCA | 10.3% | 53.8% | Gemini 3.1 Pro Preview |
| CL-bench | Not measured | 20.8% | Only Gemini 3.1 Pro Preview measured |
| Furniture assembly | Not measured | 26.7% | Only Gemini 3.1 Pro Preview measured |
| ExploitBench | Not measured | 26.1% | Only Gemini 3.1 Pro Preview measured |
| CL-bench Life | Not measured | 16.9% | Only Gemini 3.1 Pro Preview measured |
| LMArena Text | 1331 | 1480 | Gemini 3.1 Pro Preview |
| LMArena Text: instruction following | 1309 | 1466 | Gemini 3.1 Pro Preview |
| LMArena Text: creative writing | 1319 | 1482 | Gemini 3.1 Pro Preview |
| LMArena Vision | Not measured | 1296 | Only Gemini 3.1 Pro Preview measured |
| LMArena Text: English | 1344 | 1478 | Gemini 3.1 Pro Preview |
| LMArena Text: non-English | 1313 | 1476 | Gemini 3.1 Pro Preview |
| LMArena Text: Chinese | 1327 | 1527 | Gemini 3.1 Pro Preview |
| LMArena Text: German | 1342 | 1490 | Gemini 3.1 Pro Preview |
| LMArena Text: Japanese | 1285 | 1491 | Gemini 3.1 Pro Preview |
| LMArena Text: Korean | 1285 | 1455 | Gemini 3.1 Pro Preview |
| LMArena Text: French | 1351 | 1487 | Gemini 3.1 Pro Preview |
| LMArena Text: Spanish | 1347 | 1481 | Gemini 3.1 Pro Preview |
| LMArena Text: Russian | 1314 | 1497 | Gemini 3.1 Pro Preview |
| LMArena Text: Polish | 1324 | 1498 | Gemini 3.1 Pro Preview |
| LMArena Text: multi-turn | 1338 | 1487 | Gemini 3.1 Pro Preview |
| LMArena Text: longer queries | 1334 | 1482 | Gemini 3.1 Pro Preview |
| LMArena Text: writing and language | 1328 | 1481 | Gemini 3.1 Pro Preview |
| LMArena Text: entertainment and media | 1306 | 1465 | Gemini 3.1 Pro Preview |
| LMArena Vision: English | Not measured | 1287 | Only Gemini 3.1 Pro Preview measured |
| LMArena Vision: Chinese | Not measured | 1364 | Only Gemini 3.1 Pro Preview measured |
| LMArena Vision: reading text | Not measured | 1304 | Only Gemini 3.1 Pro Preview measured |
| LMArena Vision: humor | Not measured | 1322 | Only Gemini 3.1 Pro Preview measured |
| LMArena Vision: captioning | Not measured | 1345 | Only Gemini 3.1 Pro Preview measured |
| LMArena Vision: recognizing things | Not measured | 1330 | Only Gemini 3.1 Pro Preview measured |
| LMArena Vision: creative writing | Not measured | 1324 | Only Gemini 3.1 Pro Preview measured |
| LMArena Document | Not measured | 1444 | Only Gemini 3.1 Pro Preview measured |
| Neither model has a result on the other 8 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Command A | Gemini 3.1 Pro Preview | Leader |
|---|---|---|---|
| Neither model has a result on 5 boards here | |||
What each workload costs
Three fixed token mixes at each model's listed price, so per-token rates become a bill.
Chat turn
1K input + 500 output tokens
Command A$0.0075Fits in one request
Gemini 3.1 Pro Preview$0.0080Fits in one request
Command A costs less
Repository review
50K input + 3K output tokens
Command A$0.155Fits in one request
Gemini 3.1 Pro Preview$0.136Fits in one request
Gemini 3.1 Pro Preview costs less
Agent loop
200K input + 10K output tokens
Command A$0.600Fits in one request
Gemini 3.1 Pro Preview$0.520Fits in one request
Gemini 3.1 Pro Preview costs less
Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.
Specification differences
The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.
| Specification | Cohere Command A | Google Gemini 3.1 Pro Preview |
|---|---|---|
| Maker | Cohere | |
| Weights | Open weights | No public weights listed |
| Released | March 13, 2025 | February 19, 2026 |
| Context window | 256K | 1.05M |
| Input $/Mtok | $2.50 | $2.00 |
| Output $/Mtok | $10.00 | $12.00 |
| Coding index | Not benchmarked | 32.3 |
| Independent measurements behind it | 1 | 4 |
| Cost per solved task | $2.69 | $0.99 |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Command A better than Gemini 3.1 Pro Preview for coding?
Only Gemini 3.1 Pro Preview has a coding score, 32.3 on the Vibe Coding Index; Command A has none, so the two cannot be ranked on coding. Command A has the edge where output tokens cost 1.2x less.
Which is cheaper, Command A or Gemini 3.1 Pro Preview?
Command A costs $2.50 per million input tokens and $10.00 per million output tokens; Gemini 3.1 Pro Preview costs $2.00 and $12.00. Per solved SWE-bench Verified task, Command A costs $2.69 and Gemini 3.1 Pro Preview $0.99.
Which has the bigger context window, Command A or Gemini 3.1 Pro Preview?
Gemini 3.1 Pro Preview, with 1.05M tokens against 256K.
How many benchmarks is the Command A vs Gemini 3.1 Pro Preview comparison based on?
54 benchmarks have a result for both models as of October 21, 2026. Command A's coding index rests on 1 independent benchmark and Gemini 3.1 Pro Preview's on 4. Where only one model has a result, the page says so instead of naming a winner.