Grok 4.6 vs Mistral Large 4
Updated October 21, 2026. 78 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.
Decision reading
Pick Grok 4.6 for coding: it scores 76.4 on the Vibe Coding Index against 55.3 for Mistral Large 4.
Pick Mistral Large 4 when output tokens cost 1.4x less, or when the context window is larger, 1.05M against 500K tokens.
- Shared results
- 78
- Grok 4.6 only
- 45
- Mistral Large 4 only
- 3
- Like-for-like categories
- 8 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, four public coding benchmarks
Grok 4.6
Grok 4.6 scores 76.4 against 55.3.
2 benchmarks behind each score
Intelligence
AA Intelligence Index
Grok 4.6
Grok 4.6 leads, 44.3 against 38.4.
Same board, both measured
Agentic work
AA Agentic Index
No call
Only Grok 4.6 has a AA Agentic Index result, 53.0.
Directional only
Reasoning
GPQA Diamond
No call
Only Grok 4.6 has a GPQA Diamond result, 94.7%.
Directional only
Knowledge
MMLU Pro
No call
Only Grok 4.6 has a MMLU Pro result, 89.4%.
Directional only
Web design
Design Arena: websites
Grok 4.6
Grok 4.6 leads, 1289 against 1258.
Same board, both measured
Long documents
Listed context window
Mistral Large 4
Mistral Large 4 takes 1.05M tokens against 500K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Mistral Large 4
Grok 4.6 $0.0050, Mistral Large 4 $0.0034 per turn.
List prices
Cost per solved task
One SWE-bench Verified task, solved
No call
Only Grok 4.6 has the number, $0.82.
Directional only
At a glance
- Coding index
- Grok 4.6 76.4 from 2 benchmarks, Mistral Large 4 55.3 from 2 benchmarks.
- Widest category
- Agentic work, 21.6 points apart on average over 8 shared benchmarks.
- Widest single gap
- LiveBench research: Grok 4.6 84.5% against Mistral Large 4 28.1%, 56.4 points apart on a 0 to 100 scale.
- Output price
- Grok 4.6 $6.00 against Mistral Large 4 $4.18 per million output tokens, 1.4x apart.
- Context window
- Grok 4.6 takes 500K tokens, Mistral Large 4 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 | Grok 4.6 | Bars | Mistral Large 4 | Ties |
|---|---|---|---|---|
| Coding | 10 | 4 | ||
| Intelligence | 2 | 0 | ||
| Agentic work | 7 | 1 | ||
| Reasoning | 8 | 1 | 1 tie | |
| Math | 5 | 1 | ||
| Knowledge | 3 | 3 | ||
| Web design | 9 | 0 | ||
| General | 11 | 12 | ||
| All shared boards | 55 | 22 | 1 tie |
CodingLike-for-likeFour of these boards feed the Vibe Coding Index104
| Benchmark | Grok 4.6 | Mistral Large 4 | Leader |
|---|---|---|---|
| LiveBench coding | 89.1% | 60.0% | Grok 4.6 |
| LMArena WebDev | 1617 | 1543 | Grok 4.6 |
| AA Coding Index | 76.8 | Not measured | Only Grok 4.6 measured |
| LiveCodeBench (Vals AI) | 88.2% | Not measured | Only Grok 4.6 measured |
| SWE-bench Verified (Vals AI) | 95.6% | Not measured | Only Grok 4.6 measured |
| Terminal-Bench 4 (Vals AI) | 17.2% | 27.8% | Mistral Large 4 |
| Vibe Code Bench (Vals AI) | 76.2% | 78.4% | Mistral Large 4 |
| Code migration (Vals AI) | 44.6% | 30.6% | Grok 4.6 |
| ProgramBench (Vals AI) | 1.0% | Not measured | Only Grok 4.6 measured |
| IOI (Vals AI) | 47.6% | 45.3% | Grok 4.6 |
| Terminal-Bench 2.1 (Vals AI) | 78.3% | Not measured | Only Grok 4.6 measured |
| SWE-bench Multimodal (Vals AI) | Not measured | 33.1% | Only Mistral Large 4 measured |
| Vibe Code Bench 1-100 (Vals AI) | 14.8% | 14.3% | Grok 4.6 |
| SkillsBench (Vals AI) | 55.8% | Not measured | Only Grok 4.6 measured |
| CyberBench (Vals AI) | 67.7% | Not measured | Only Grok 4.6 measured |
| SciCode | 56.5% | 54.2% | Grok 4.6 |
| FrontierCode | 48.0% | 39.4% | Grok 4.6 |
| FrontierSWE | 25.3% | Not measured | Only Grok 4.6 measured |
| WeirdML | 67.3% | Not measured | Only Grok 4.6 measured |
| ALE-Bench | 1508.1 | 1213.2 | Grok 4.6 |
| LMArena Text: coding | 1466 | 1478 | Mistral Large 4 |
| LMArena Text: software and IT | 1457 | 1467 | Mistral Large 4 |
| LMArena WebDev: React | 1631 | 1559 | Grok 4.6 |
| LMArena WebDev: HTML | 1597 | 1487 | Grok 4.6 |
| LMArena WebDev: from an image | 1603 | Not measured | Only Grok 4.6 measured |
| Neither model has a result on the other 13 boards here | |||
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index20
| Benchmark | Grok 4.6 | Mistral Large 4 | Leader |
|---|---|---|---|
| AA Intelligence Index | 44.3 | 38.4 | Grok 4.6 |
| Epoch Capabilities Index | 156.6 | 150.0 | Grok 4.6 |
Agentic workLike-for-likePublic boards, shown as published, kept out of the index71
| Benchmark | Grok 4.6 | Mistral Large 4 | Leader |
|---|---|---|---|
| AA Agentic Index | 53.0 | Not measured | Only Grok 4.6 measured |
| Design Arena: agents building web apps | 1247 | Not measured | Only Grok 4.6 measured |
| Design Arena: agents building full-stack apps | 1264 | Not measured | Only Grok 4.6 measured |
| Design Arena: agents building mobile apps | 1234 | Not measured | Only Grok 4.6 measured |
| Design Arena: agents building Android apps | 1297 | Not measured | Only Grok 4.6 measured |
| Design Arena: agents building Godot games | 1276 | Not measured | Only Grok 4.6 measured |
| Design Arena: agents building games | 1208 | Not measured | Only Grok 4.6 measured |
| Design Arena: HTML slides | 1249 | Not measured | Only Grok 4.6 measured |
| Design Arena: PowerPoint slides | 1241 | Not measured | Only Grok 4.6 measured |
| LiveBench research | 84.5% | 28.1% | Grok 4.6 |
| LiveBench browser | 64.0% | 8.0% | Grok 4.6 |
| LiveBench long agentic | 40.7% | 11.8% | Grok 4.6 |
| Finance Agent (Vals AI) | 53.7% | 54.7% | Mistral Large 4 |
| Tax Agent Bench (Vals AI) | 33.1% | 30.4% | Grok 4.6 |
| Legal Research Bench (Vals AI) | 48.1% | 31.7% | Grok 4.6 |
| Harvey's Legal Agent Benchmark (Vals AI) | Not measured | 17.5% | Only Mistral Large 4 measured |
| Excel Modeling Benchmark (Vals AI) | 62.7% | 56.2% | Grok 4.6 |
| BioMysteryBench (Vals AI) | 72.2% | 67.0% | Grok 4.6 |
| Terminal-Bench-Science (Vals AI) | 11.4% | Not measured | Only Grok 4.6 measured |
| Vals Science Index | 38.1% | Not measured | Only Grok 4.6 measured |
| Time Horizon Index (Vals AI) | 5.8% | Not measured | Only Grok 4.6 measured |
| APEX-Agents | 65.3% | Not measured | Only Grok 4.6 measured |
| Vending-Bench 2 | $9,047 | Not measured | Only Grok 4.6 measured |
| Neither model has a result on the other 16 boards here | |||
ReasoningLike-for-likePublic boards, shown as published, kept out of the index81
| Benchmark | Grok 4.6 | Mistral Large 4 | Leader |
|---|---|---|---|
| GPQA Diamond | 94.7% | Not measured | Only Grok 4.6 measured |
| LiveBench reasoning | 91.2% | 83.9% | Grok 4.6 |
| MysteryMechanism (Vals AI) | 30.6% | 12.2% | Grok 4.6 |
| GPQA Diamond (Artificial Analysis run) | 94.9% | Not measured | Only Grok 4.6 measured |
| Humanity's Last Exam (Artificial Analysis run) | 44.1% | 35.0% | Grok 4.6 |
| GPQA Diamond (Epoch AI run) | 94.0% | 88.1% | Grok 4.6 |
| ARC-AGI | 87.5% | Not measured | Only Grok 4.6 measured |
| ARC-AGI-2 | 67.1% | Not measured | Only Grok 4.6 measured |
| SimpleBench | 75.9% | Not measured | Only Grok 4.6 measured |
| Chess puzzles | 33.0% | 33.0% | Tie |
| Mystery game puzzles | 34.0% | 17.0% | Grok 4.6 |
| EBR-bench | 30.5% | Not measured | Only Grok 4.6 measured |
| LMArena Text: hard prompts | 1448 | 1444 | Grok 4.6 |
| LMArena Text: expert | 1469 | 1444 | Grok 4.6 |
| LMArena Text: hard prompts in English | 1445 | 1442 | Grok 4.6 |
| LMArena Vision: diagrams | 1285 | 1288 | Mistral Large 4 |
| LMArena Vision: homework | 1283 | Not measured | Only Grok 4.6 measured |
| Neither model has a result on the other 4 boards here | |||
MathLike-for-likePublic boards, shown as published, kept out of the index51
| Benchmark | Grok 4.6 | Mistral Large 4 | Leader |
|---|---|---|---|
| OTIS Mock AIME | 99.2% | 98.3% | Grok 4.6 |
| FrontierMath, tiers 1 to 3 | 66.0% | 58.6% | Grok 4.6 |
| FrontierMath, tier 4 | 31.7% | 26.8% | Grok 4.6 |
| ProofBench | 51.0% | 10.0% | Grok 4.6 |
| LMArena Text: math | 1417 | 1469 | Mistral Large 4 |
| LMArena Text: mathematical work | 1464 | 1462 | Grok 4.6 |
| Neither model has a result on the other 7 boards here | |||
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index33
| Benchmark | Grok 4.6 | Mistral Large 4 | Leader |
|---|---|---|---|
| MMLU Pro | 89.4% | Not measured | Only Grok 4.6 measured |
| LegalBench (Vals AI) | 86.3% | Not measured | Only Grok 4.6 measured |
| CorpFin (Vals AI) | 66.2% | Not measured | Only Grok 4.6 measured |
| TaxEval (Vals AI) | 71.1% | Not measured | Only Grok 4.6 measured |
| MortgageTax (Vals AI) | 64.2% | Not measured | Only Grok 4.6 measured |
| MedCode (Vals AI) | 44.7% | 40.7% | Grok 4.6 |
| SimpleQA Verified | 49.3% | 20.0% | Grok 4.6 |
| LMArena Text: science | 1437 | 1448 | Mistral Large 4 |
| LMArena Text: medicine and healthcare | 1420 | 1433 | Mistral Large 4 |
| LMArena Text: legal and government | 1429 | 1425 | Grok 4.6 |
| LMArena Text: business and finance | 1416 | 1439 | Mistral Large 4 |
| Neither model has a result on the other 6 boards here | |||
Web designLike-for-likePublic boards, shown as published, kept out of the index90
| Benchmark | Grok 4.6 | Mistral Large 4 | Leader |
|---|---|---|---|
| Design Arena: websites | 1289 | 1258 | Grok 4.6 |
| Design Arena: UI components | 1294 | 1275 | Grok 4.6 |
| Design Arena: game dev | 1296 | 1226 | Grok 4.6 |
| Design Arena: data viz | 1283 | 1274 | Grok 4.6 |
| Design Arena: 3D | 1277 | 1253 | Grok 4.6 |
| Design Arena: all code categories | 1292 | 1259 | Grok 4.6 |
| Design Arena: SVG | 1239 | 1232 | Grok 4.6 |
| Design Arena: ASCII art | 1278 | 1203 | Grok 4.6 |
| LiveBench design | 79.8% | 65.6% | Grok 4.6 |
GeneralLike-for-likePublic boards, shown as published, kept out of the index1112
| Benchmark | Grok 4.6 | Mistral Large 4 | Leader |
|---|---|---|---|
| LiveBench data analysis | 75.3% | 76.5% | Mistral Large 4 |
| Public Benefits Bench (Vals AI) | 66.8% | Not measured | Only Grok 4.6 measured |
| SAGE (Vals AI) | 28.9% | Not measured | Only Grok 4.6 measured |
| MedScribe (Vals AI) | 86.5% | 80.4% | Grok 4.6 |
| Long context reasoning (AA-LCR) | 81.0% | 81.3% | Mistral Large 4 |
| DTBench | 97.3% | 88.2% | Grok 4.6 |
| LMCA | 48.5% | 35.8% | Grok 4.6 |
| Surface Evolver Bench | Not measured | 28.1% | Only Mistral Large 4 measured |
| Furniture assembly | 40.0% | 20.8% | Grok 4.6 |
| LMArena Text | 1429 | 1431 | Mistral Large 4 |
| LMArena Text: instruction following | 1431 | 1422 | Grok 4.6 |
| LMArena Text: creative writing | 1426 | 1363 | Grok 4.6 |
| LMArena Vision | 1263 | 1272 | Mistral Large 4 |
| LMArena Text: English | 1433 | 1433 | Grok 4.6 |
| LMArena Text: non-English | 1420 | 1422 | Mistral Large 4 |
| LMArena Text: Chinese | 1476 | 1492 | Mistral Large 4 |
| LMArena Text: German | 1426 | Not measured | Only Grok 4.6 measured |
| LMArena Text: Japanese | 1378 | 1415 | Mistral Large 4 |
| LMArena Text: Korean | 1391 | Not measured | Only Grok 4.6 measured |
| LMArena Text: French | 1455 | 1492 | Mistral Large 4 |
| LMArena Text: Spanish | 1414 | 1455 | Mistral Large 4 |
| LMArena Text: Russian | 1421 | 1417 | Grok 4.6 |
| LMArena Text: Polish | 1430 | Not measured | Only Grok 4.6 measured |
| LMArena Text: multi-turn | 1425 | 1435 | Mistral Large 4 |
| LMArena Text: longer queries | 1456 | 1428 | Grok 4.6 |
| LMArena Text: writing and language | 1429 | 1386 | Grok 4.6 |
| LMArena Text: entertainment and media | 1421 | 1378 | Grok 4.6 |
| LMArena Vision: English | 1270 | 1283 | Mistral Large 4 |
| LMArena Vision: Chinese | 1289 | Not measured | Only Grok 4.6 measured |
| LMArena Vision: reading text | 1272 | 1284 | Mistral Large 4 |
| LMArena Vision: humor | 1270 | Not measured | Only Grok 4.6 measured |
| LMArena Vision: creative writing | 1262 | Not measured | Only Grok 4.6 measured |
| LMArena Document | 1452 | Not measured | Only Grok 4.6 measured |
| Neither model has a result on the other 13 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Grok 4.6 | Mistral Large 4 | 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
Mistral Large 4 costs less
Repository review
50K input + 3K output tokens
Mistral Large 4 costs less
Agent loop
200K input + 10K output tokens
Mistral Large 4 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 | SpaceXAI Grok 4.6 | Mistral Large 4 |
|---|---|---|
| Maker | xAI | Mistral AI |
| Weights | No public weights listed | No public weights listed |
| Released | August 12, 2026 | October 6, 2026 |
| Context window | 500K | 1.05M |
| Input $/Mtok | $2.00 | $1.36 |
| Output $/Mtok | $6.00 | $4.18 |
| Coding index | 76.4 | 55.3 |
| Independent measurements behind it | 2 | 2 |
| Cost per solved task | $0.82 | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Grok 4.6 better than Mistral Large 4 for coding?
Pick Grok 4.6 for coding: it scores 76.4 on the Vibe Coding Index against 55.3 for Mistral Large 4. Pick Mistral Large 4 when output tokens cost 1.4x less, or when the context window is larger, 1.05M against 500K tokens.
Which is cheaper, Grok 4.6 or Mistral Large 4?
Grok 4.6 costs $2.00 per million input tokens and $6.00 per million output tokens; Mistral Large 4 costs $1.36 and $4.18. Cost per solved task is known for Grok 4.6 only.
Which has the bigger context window, Grok 4.6 or Mistral Large 4?
Mistral Large 4, with 1.05M tokens against 500K.
How many benchmarks is the Grok 4.6 vs Mistral Large 4 comparison based on?
78 benchmarks have a result for both models as of October 21, 2026. Grok 4.6's coding index rests on 2 independent benchmarks and Mistral Large 4's on 2. Where only one model has a result, the page says so instead of naming a winner.