Command A vs DeepSeek V4 Flash 0731
Updated October 21, 2026. 20 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.
Decision reading
Only DeepSeek V4 Flash 0731 has a coding score, 51.8 on the Vibe Coding Index; Command A has none, so the two cannot be ranked on coding.
Command A has the edge where the benchmark that matters is LegalBench (Vals AI), where it leads.
- Shared results
- 20
- Command A only
- 40
- DeepSeek V4 Flash 0731 only
- 35
- Like-for-like categories
- 6 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 DeepSeek V4 Flash 0731 has a coding score, so no call is made.
One side not measured
Intelligence
AA Intelligence Index
DeepSeek V4 Flash 0731
DeepSeek V4 Flash 0731 leads, 34.3 against 13.1.
Same board, both measured
Agentic work
AA Agentic Index
DeepSeek V4 Flash 0731
DeepSeek V4 Flash 0731 leads, 41.0 against 1.0.
Same board, both measured
Reasoning
GPQA Diamond
DeepSeek V4 Flash 0731
DeepSeek V4 Flash 0731 leads, 89.9% against 48.5%.
Same board, both measured
Math
AIME
No call
Only Command A has a AIME result, 13.3%.
Directional only
Knowledge
MMLU Pro
DeepSeek V4 Flash 0731
DeepSeek V4 Flash 0731 leads, 86.2% against 69.2%.
Same board, both measured
Web design
Design Arena: websites
No call
Only DeepSeek V4 Flash 0731 has a Design Arena: websites result, 1238.
Directional only
Long documents
Listed context window
DeepSeek V4 Flash 0731
DeepSeek V4 Flash 0731 takes 1.05M tokens against 256K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
DeepSeek V4 Flash 0731
Command A $0.0075, DeepSeek V4 Flash 0731 $0.0003 per turn.
List prices
Cost per solved task
One SWE-bench Verified task, solved
DeepSeek V4 Flash 0731
Command A $2.69, DeepSeek V4 Flash 0731 $0.01.
Published attempt cost and pass rate
At a glance
- Coding index
- Command A not benchmarked, DeepSeek V4 Flash 0731 51.8 from 4 benchmarks.
- Widest category
- Coding, 47.1 points apart on average over 5 shared benchmarks.
- Widest single gap
- SWE-bench Verified (Vals AI): Command A 7.8% against DeepSeek V4 Flash 0731 88.8%, 81.0 points apart on a 0 to 100 scale.
- Output price
- Command A $10.00 against DeepSeek V4 Flash 0731 $0.396 per million output tokens, 25.3x apart.
- Context window
- Command A takes 256K tokens, DeepSeek V4 Flash 0731 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 | DeepSeek V4 Flash 0731 | Ties |
|---|---|---|---|---|
| Coding | 0 | 5 | ||
| Intelligence | 0 | 1 | ||
| Agentic work | 0 | 2 | ||
| Reasoning | 0 | 3 | ||
| Knowledge | 1 | 4 | ||
| General | 0 | 4 | ||
| All shared boards | 1 | 19 |
CodingLike-for-likeSix of these boards feed the Vibe Coding Index05
| Benchmark | Command A | DeepSeek V4 Flash 0731 | Leader |
|---|---|---|---|
| AA Coding Index | 27.8 | 69.1 | DeepSeek V4 Flash 0731 |
| LiveCodeBench (Vals AI) | 35.1% | 87.3% | DeepSeek V4 Flash 0731 |
| SWE-bench Verified (Vals AI) | 7.8% | 88.8% | DeepSeek V4 Flash 0731 |
| Terminal-Bench 4 (Vals AI) | Not measured | 18.7% | Only DeepSeek V4 Flash 0731 measured |
| Vibe Code Bench (Vals AI) | Not measured | 74.7% | Only DeepSeek V4 Flash 0731 measured |
| Code migration (Vals AI) | Not measured | 38.6% | Only DeepSeek V4 Flash 0731 measured |
| ProgramBench (Vals AI) | Not measured | 0.0% | Only DeepSeek V4 Flash 0731 measured |
| IOI (Vals AI) | Not measured | 32.7% | Only DeepSeek V4 Flash 0731 measured |
| Terminal-Bench 2.1 (Vals AI) | 17.6% | 67.0% | DeepSeek V4 Flash 0731 |
| SkillsBench (Vals AI) | Not measured | 50.7% | Only DeepSeek V4 Flash 0731 measured |
| CyberBench (Vals AI) | Not measured | 72.1% | Only DeepSeek V4 Flash 0731 measured |
| LiveCodeBench (Artificial Analysis run) | 28.7% | Not measured | Only Command A measured |
| SciCode | 38.5% | 50.3% | DeepSeek V4 Flash 0731 |
| Terminal-Bench Hard (Artificial Analysis run) | 25.0% | Not measured | Only Command A measured |
| FrontierCode | Not measured | 18.8% | Only DeepSeek V4 Flash 0731 measured |
| WeirdML | Not measured | 63.0% | Only DeepSeek V4 Flash 0731 measured |
| ALE-Bench | Not measured | 1306.1 | Only DeepSeek V4 Flash 0731 measured |
| LMArena Text: coding | 1330 | Not measured | Only Command A measured |
| LMArena Text: software and IT | 1336 | Not measured | Only Command A measured |
| Neither model has a result on the other 19 boards here | |||
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
| Benchmark | Command A | DeepSeek V4 Flash 0731 | Leader |
|---|---|---|---|
| AA Intelligence Index | 13.1 | 34.3 | DeepSeek V4 Flash 0731 |
| Epoch Capabilities Index | Not measured | 154.8 | Only DeepSeek V4 Flash 0731 measured |
Agentic workLike-for-likePublic boards, shown as published, kept out of the index02
| Benchmark | Command A | DeepSeek V4 Flash 0731 | Leader |
|---|---|---|---|
| AA Agentic Index | 1.0 | 41.0 | DeepSeek V4 Flash 0731 |
| Finance Agent (Vals AI) | 9.0% | 49.5% | DeepSeek V4 Flash 0731 |
| Tax Agent Bench (Vals AI) | Not measured | 28.1% | Only DeepSeek V4 Flash 0731 measured |
| Legal Research Bench (Vals AI) | Not measured | 30.3% | Only DeepSeek V4 Flash 0731 measured |
| Excel Modeling Benchmark (Vals AI) | Not measured | 57.0% | Only DeepSeek V4 Flash 0731 measured |
| BioMysteryBench (Vals AI) | Not measured | 64.4% | Only DeepSeek V4 Flash 0731 measured |
| Terminal-Bench-Science (Vals AI) | Not measured | 4.3% | Only DeepSeek V4 Flash 0731 measured |
| τ²-Bench Telecom | 80.7% | Not measured | Only Command A measured |
| Neither model has a result on the other 31 boards here | |||
ReasoningLike-for-likePublic boards, shown as published, kept out of the index03
| Benchmark | Command A | DeepSeek V4 Flash 0731 | Leader |
|---|---|---|---|
| GPQA Diamond | 48.5% | 89.9% | DeepSeek V4 Flash 0731 |
| GPQA Diamond (Artificial Analysis run) | 76.1% | 90.8% | DeepSeek V4 Flash 0731 |
| Humanity's Last Exam (Artificial Analysis run) | 12.0% | 38.6% | DeepSeek V4 Flash 0731 |
| GPQA Diamond (Epoch AI run) | Not measured | 91.0% | Only DeepSeek V4 Flash 0731 measured |
| ARC-AGI | Not measured | 89.0% | Only DeepSeek V4 Flash 0731 measured |
| ARC-AGI-2 | Not measured | 61.4% | Only DeepSeek V4 Flash 0731 measured |
| SimpleBench | Not measured | 61.1% | Only DeepSeek V4 Flash 0731 measured |
| Chess puzzles | Not measured | 32.0% | Only DeepSeek V4 Flash 0731 measured |
| Mystery game puzzles | Not measured | 34.0% | Only DeepSeek V4 Flash 0731 measured |
| LMArena Text: hard prompts | 1326 | Not measured | Only Command A measured |
| LMArena Text: expert | 1296 | Not measured | Only Command A measured |
| LMArena Text: hard prompts in English | 1335 | Not measured | Only Command A measured |
| Neither model has a result on the other 9 boards here | |||
MathDirectional onlyPublic boards, shown as published, kept out of the index11 boards, none shared
| Benchmark | Command A | DeepSeek V4 Flash 0731 | Leader |
|---|---|---|---|
| AIME | 13.3% | Not measured | Only Command A measured |
| 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 | 94.4% | Only DeepSeek V4 Flash 0731 measured |
| FrontierMath, tiers 1 to 3 | Not measured | 57.5% | Only DeepSeek V4 Flash 0731 measured |
| FrontierMath, tier 4 | Not measured | 24.4% | Only DeepSeek V4 Flash 0731 measured |
| ProofBench | Not measured | 56.0% | Only DeepSeek V4 Flash 0731 measured |
| LMArena Text: math | 1300 | Not measured | Only Command A measured |
| LMArena Text: mathematical work | 1312 | Not measured | Only Command A measured |
| Neither model has a result on the other 2 boards here | |||
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index14
| Benchmark | Command A | DeepSeek V4 Flash 0731 | Leader |
|---|---|---|---|
| MMLU Pro | 69.2% | 86.2% | DeepSeek V4 Flash 0731 |
| LegalBench (Vals AI) | 79.7% | 77.7% | Command A |
| CaseLaw (Vals AI) | 64.5% | Not measured | Only Command A measured |
| CorpFin (Vals AI) | 46.0% | 61.9% | DeepSeek V4 Flash 0731 |
| TaxEval (Vals AI) | 61.4% | 70.7% | DeepSeek V4 Flash 0731 |
| MedQA (Vals AI) | 80.5% | Not measured | Only Command A measured |
| MedCode (Vals AI) | 19.7% | 41.4% | DeepSeek V4 Flash 0731 |
| MMLU Pro (Artificial Analysis run) | 71.2% | Not measured | Only Command A measured |
| SimpleQA Verified | Not measured | 33.6% | Only DeepSeek V4 Flash 0731 measured |
| LMArena Text: science | 1339 | Not measured | Only Command A measured |
| LMArena Text: medicine and healthcare | 1334 | Not measured | Only Command A measured |
| LMArena Text: legal and government | 1348 | Not measured | Only Command A measured |
| LMArena Text: business and finance | 1315 | Not measured | Only Command A measured |
| Neither model has a result on the other 4 boards here | |||
Web designDirectional onlyPublic boards, shown as published, kept out of the index8 boards, none shared
| Benchmark | Command A | DeepSeek V4 Flash 0731 | Leader |
|---|---|---|---|
| Design Arena: websites | Not measured | 1238 | Only DeepSeek V4 Flash 0731 measured |
| Design Arena: UI components | Not measured | 1235 | Only DeepSeek V4 Flash 0731 measured |
| Design Arena: game dev | Not measured | 1208 | Only DeepSeek V4 Flash 0731 measured |
| Design Arena: data viz | Not measured | 1180 | Only DeepSeek V4 Flash 0731 measured |
| Design Arena: 3D | Not measured | 1209 | Only DeepSeek V4 Flash 0731 measured |
| Design Arena: all code categories | Not measured | 1230 | Only DeepSeek V4 Flash 0731 measured |
| Design Arena: SVG | Not measured | 1185 | Only DeepSeek V4 Flash 0731 measured |
| Design Arena: ASCII art | Not measured | 1090 | Only DeepSeek V4 Flash 0731 measured |
| Neither model has a result on the other 1 board here | |||
GeneralLike-for-likePublic boards, shown as published, kept out of the index04
| Benchmark | Command A | DeepSeek V4 Flash 0731 | Leader |
|---|---|---|---|
| MedScribe (Vals AI) | 55.7% | 80.4% | DeepSeek V4 Flash 0731 |
| IFBench | 73.9% | Not measured | Only Command A measured |
| Long context reasoning (AA-LCR) | 52.7% | 79.7% | DeepSeek V4 Flash 0731 |
| DTBench | 61.3% | 90.9% | DeepSeek V4 Flash 0731 |
| LMCA | 10.3% | 41.7% | DeepSeek V4 Flash 0731 |
| LMArena Text | 1331 | Not measured | Only Command A measured |
| LMArena Text: instruction following | 1309 | Not measured | Only Command A measured |
| LMArena Text: creative writing | 1319 | Not measured | Only Command A measured |
| LMArena Text: English | 1344 | Not measured | Only Command A measured |
| LMArena Text: non-English | 1313 | Not measured | Only Command A measured |
| LMArena Text: Chinese | 1327 | Not measured | Only Command A measured |
| LMArena Text: German | 1342 | Not measured | Only Command A measured |
| LMArena Text: Japanese | 1285 | Not measured | Only Command A measured |
| LMArena Text: Korean | 1285 | Not measured | Only Command A measured |
| LMArena Text: French | 1351 | Not measured | Only Command A measured |
| LMArena Text: Spanish | 1347 | Not measured | Only Command A measured |
| LMArena Text: Russian | 1314 | Not measured | Only Command A measured |
| LMArena Text: Polish | 1324 | Not measured | Only Command A measured |
| LMArena Text: multi-turn | 1338 | Not measured | Only Command A measured |
| LMArena Text: longer queries | 1334 | Not measured | Only Command A measured |
| LMArena Text: writing and language | 1328 | Not measured | Only Command A measured |
| LMArena Text: entertainment and media | 1306 | Not measured | Only Command A measured |
| Neither model has a result on the other 24 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Command A | DeepSeek V4 Flash 0731 | 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
DeepSeek V4 Flash 0731 costs less
Repository review
50K input + 3K output tokens
DeepSeek V4 Flash 0731 costs less
Agent loop
200K input + 10K output tokens
DeepSeek V4 Flash 0731 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 | DeepSeek V4 Flash 0731 |
|---|---|---|
| Maker | Cohere | DeepSeek |
| Weights | Open weights | Open weights |
| Released | March 13, 2025 | July 31, 2026 |
| Context window | 256K | 1.05M |
| Input $/Mtok | $2.50 | $0.14 |
| Output $/Mtok | $10.00 | $0.396 |
| Coding index | Not benchmarked | 51.8 |
| Independent measurements behind it | 1 | 4 |
| Cost per solved task | $2.69 | $0.01 |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Command A better than DeepSeek V4 Flash 0731 for coding?
Only DeepSeek V4 Flash 0731 has a coding score, 51.8 on the Vibe Coding Index; Command A has none, so the two cannot be ranked on coding. Command A has the edge where the benchmark that matters is LegalBench (Vals AI), where it leads.
Which is cheaper, Command A or DeepSeek V4 Flash 0731?
Command A costs $2.50 per million input tokens and $10.00 per million output tokens; DeepSeek V4 Flash 0731 costs $0.14 and $0.396. Per solved SWE-bench Verified task, Command A costs $2.69 and DeepSeek V4 Flash 0731 $0.01.
Which has the bigger context window, Command A or DeepSeek V4 Flash 0731?
DeepSeek V4 Flash 0731, with 1.05M tokens against 256K.
How many benchmarks is the Command A vs DeepSeek V4 Flash 0731 comparison based on?
20 benchmarks have a result for both models as of October 21, 2026. Command A's coding index rests on 1 independent benchmark and DeepSeek V4 Flash 0731's on 4. Where only one model has a result, the page says so instead of naming a winner.