GPT-4.1 vs Mistral Large 3 2512
GPT-4.1 leads Mistral Large 3 2512 on the Artificial Analysis Intelligence Index, 12.7 to 9.3, and Mistral Large 3 2512 costs 5.3x less per output token ($1.50 vs $8.00 per million). Updated October 21, 2026; 22 benchmarks have a result for both.
GPT-4.1 or Mistral Large 3 2512: which to pick
Neither model has a coding score yet, so the two cannot be ranked on coding.
Pick GPT-4.1 for a lower cost per solved task ($0.37 against $0.77) and a larger context window (1.05M against 262K tokens).
- Shared results
- 22
- GPT-4.1 only
- 70
- Mistral Large 3 2512 only
- 6
- Like-for-like categories
- 7 of 9
Only benchmarks that tested both models count toward a pick; a result only one model has is shown but not compared.
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
Neither has a coding score yet.
One side not measured
Intelligence
AA Intelligence Index
GPT-4.1
GPT-4.1 leads, 12.7 against 9.3.
Same board, both measured
Agentic work
AA Agentic Index
No call
Only Mistral Large 3 2512 has a AA Agentic Index result, 1.0.
Directional only
Reasoning
GPQA Diamond
Mistral Large 3 2512
Mistral Large 3 2512 leads, 68.4% against 65.4%.
Same board, both measured
Math
AIME
Mistral Large 3 2512
Mistral Large 3 2512 leads, 42.9% against 39.6%.
Same board, both measured
Knowledge
MMLU Pro
GPT-4.1
GPT-4.1 leads, 80.5% against 79.8%.
Same board, both measured
Web design
Design Arena: websites
Mistral Large 3 2512
Mistral Large 3 2512 leads, 1162 against 1039.
Same board, both measured
Long documents
Listed context window
GPT-4.1
GPT-4.1 takes 1.05M tokens against 262K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Mistral Large 3 2512
GPT-4.1 $0.0060, Mistral Large 3 2512 $0.0013 per turn.
List prices
Cost per solved task
One SWE-bench Verified task, solved
GPT-4.1
GPT-4.1 $0.37, Mistral Large 3 2512 $0.77.
Published attempt cost and pass rate
At a glance
- Coding index
- GPT-4.1 not benchmarked, Mistral Large 3 2512 not benchmarked.
- Widest category
- Web design, 13.0 points apart on average over 6 shared benchmarks.
- Widest single gap
- Design Arena: 3D: GPT-4.1 850 against Mistral Large 3 2512 1100, 31.3 points apart on a 0 to 100 scale.
- Output price
- GPT-4.1 $8.00 against Mistral Large 3 2512 $1.50 per million output tokens, 5.3x apart.
- Context window
- GPT-4.1 takes 1.05M tokens, Mistral Large 3 2512 262K.
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 | GPT-4.1 | Bars | Mistral Large 3 2512 | Ties |
|---|---|---|---|---|
| Coding | 1 | 1 | ||
| Intelligence | 1 | 0 | ||
| Reasoning | 1 | 1 | ||
| Math | 1 | 1 | ||
| Knowledge | 7 | 0 | ||
| Web design | 0 | 5 | 1 tie | |
| General | 2 | 0 | ||
| All shared boards | 13 | 8 | 1 tie |
CodingLike-for-likeSix of these boards feed the Vibe Coding Index11
| Benchmark | GPT-4.1 | Mistral Large 3 2512 | Leader |
|---|---|---|---|
| Aider polyglot | 52.4% | Not measured | Only GPT-4.1 measured |
| SWE-bench Verified | 39.6% | Not measured | Only GPT-4.1 measured |
| SWE-bench Multimodal | 31.1% | Not measured | Only GPT-4.1 measured |
| AA Coding Index | Not measured | 20.1 | Only Mistral Large 3 2512 measured |
| LiveCodeBench (Vals AI) | 54.7% | 55.3% | Mistral Large 3 2512 |
| SWE-bench Verified (Vals AI) | Not measured | 41.4% | Only Mistral Large 3 2512 measured |
| LiveCodeBench (Artificial Analysis run) | 45.7% | Not measured | Only GPT-4.1 measured |
| Terminal-Bench Hard (Artificial Analysis run) | 13.6% | Not measured | Only GPT-4.1 measured |
| WeirdML | 39.0% | Not measured | Only GPT-4.1 measured |
| ALE-Bench | 558.1 | 264.7 | GPT-4.1 |
| LMArena Text: coding | 1390 | Not measured | Only GPT-4.1 measured |
| LMArena Text: software and IT | 1391 | Not measured | Only GPT-4.1 measured |
| SciCode | 4.6% | Not measured | Only GPT-4.1 measured |
| Neither model has a result on the other 26 boards here | |||
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
| Benchmark | GPT-4.1 | Mistral Large 3 2512 | Leader |
|---|---|---|---|
| AA Intelligence Index | 12.7 | 9.3 | GPT-4.1 |
| Epoch Capabilities Index | 136.7 | Not measured | Only GPT-4.1 measured |
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index4 boards, none shared
| Benchmark | GPT-4.1 | Mistral Large 3 2512 | Leader |
|---|---|---|---|
| AA Agentic Index | Not measured | 1.0 | Only Mistral Large 3 2512 measured |
| τ²-Bench Telecom | 47.1% | Not measured | Only GPT-4.1 measured |
| Berkeley Function Calling Leaderboard (BFCL) | 54.0% | Not measured | Only GPT-4.1 measured |
| BrowseComp-Plus | 36.4% | Not measured | Only GPT-4.1 measured |
| Neither model has a result on the other 37 boards here | |||
ReasoningLike-for-likePublic boards, shown as published, kept out of the index11
| Benchmark | GPT-4.1 | Mistral Large 3 2512 | Leader |
|---|---|---|---|
| GPQA Diamond | 65.4% | 68.4% | Mistral Large 3 2512 |
| MMMU Pro (Vals AI) | 72.4% | 66.2% | GPT-4.1 |
| GPQA Diamond (Artificial Analysis run) | 66.6% | Not measured | Only GPT-4.1 measured |
| Humanity's Last Exam (Artificial Analysis run) | 4.2% | Not measured | Only GPT-4.1 measured |
| GPQA Diamond (Epoch AI run) | 66.9% | Not measured | Only GPT-4.1 measured |
| ARC-AGI | 5.5% | Not measured | Only GPT-4.1 measured |
| ARC-AGI-2 | 0.4% | Not measured | Only GPT-4.1 measured |
| SimpleBench | 27.0% | Not measured | Only GPT-4.1 measured |
| Chess puzzles | 3.0% | Not measured | Only GPT-4.1 measured |
| LMArena Text: hard prompts | 1384 | Not measured | Only GPT-4.1 measured |
| LMArena Text: expert | 1364 | Not measured | Only GPT-4.1 measured |
| LMArena Text: hard prompts in English | 1393 | Not measured | Only GPT-4.1 measured |
| LMArena Vision: diagrams | 1215 | Not measured | Only GPT-4.1 measured |
| LMArena Vision: homework | 1248 | Not measured | Only GPT-4.1 measured |
| Kagi LLM Benchmark | 52.3% | Not measured | Only GPT-4.1 measured |
| Neither model has a result on the other 7 boards here | |||
MathLike-for-likePublic boards, shown as published, kept out of the index11
| Benchmark | GPT-4.1 | Mistral Large 3 2512 | Leader |
|---|---|---|---|
| AIME | 39.6% | 42.9% | Mistral Large 3 2512 |
| MATH 500 (Vals AI) | 87.2% | Not measured | Only GPT-4.1 measured |
| MGSM (Vals AI) | 87.7% | 85.4% | GPT-4.1 |
| AA Math Index | 34.7 | Not measured | Only GPT-4.1 measured |
| AIME 2025 (Artificial Analysis run) | 34.7% | Not measured | Only GPT-4.1 measured |
| OTIS Mock AIME | 38.3% | Not measured | Only GPT-4.1 measured |
| FrontierMath, tiers 1 to 3 | 6.0% | Not measured | Only GPT-4.1 measured |
| MATH level 5 | 83.0% | Not measured | Only GPT-4.1 measured |
| LMArena Text: math | 1369 | Not measured | Only GPT-4.1 measured |
| LMArena Text: mathematical work | 1360 | Not measured | Only GPT-4.1 measured |
| Neither model has a result on the other 3 boards here | |||
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index70
| Benchmark | GPT-4.1 | Mistral Large 3 2512 | Leader |
|---|---|---|---|
| MMLU Pro | 80.5% | 79.8% | GPT-4.1 |
| LegalBench (Vals AI) | 83.1% | 79.1% | GPT-4.1 |
| CaseLaw (Vals AI) | 69.9% | 61.4% | GPT-4.1 |
| CorpFin (Vals AI) | 63.0% | 61.0% | GPT-4.1 |
| TaxEval (Vals AI) | 75.1% | 73.1% | GPT-4.1 |
| MortgageTax (Vals AI) | 65.9% | 52.1% | GPT-4.1 |
| MedQA (Vals AI) | 91.2% | 82.2% | GPT-4.1 |
| MMLU Pro (Artificial Analysis run) | 80.6% | Not measured | Only GPT-4.1 measured |
| SimpleQA Verified | 31.1% | Not measured | Only GPT-4.1 measured |
| GeoBench | 72.0% | Not measured | Only GPT-4.1 measured |
| LMArena Text: science | 1382 | Not measured | Only GPT-4.1 measured |
| LMArena Text: medicine and healthcare | 1379 | Not measured | Only GPT-4.1 measured |
| LMArena Text: legal and government | 1399 | Not measured | Only GPT-4.1 measured |
| LMArena Text: business and finance | 1369 | Not measured | Only GPT-4.1 measured |
| FACTS Benchmark Suite | 45.8% | Not measured | Only GPT-4.1 measured |
| Neither model has a result on the other 3 boards here | |||
Web designLike-for-likePublic boards, shown as published, kept out of the index05
| Benchmark | GPT-4.1 | Mistral Large 3 2512 | Leader |
|---|---|---|---|
| Design Arena: websites | 1039 | 1162 | Mistral Large 3 2512 |
| Design Arena: UI components | 1000 | 1102 | Mistral Large 3 2512 |
| Design Arena: game dev | 1080 | 1080 | Tie |
| Design Arena: data viz | 1104 | 1136 | Mistral Large 3 2512 |
| Design Arena: 3D | 850 | 1100 | Mistral Large 3 2512 |
| Design Arena: all code categories | 1026 | 1142 | Mistral Large 3 2512 |
| Design Arena: SVG | Not measured | 993 | Only Mistral Large 3 2512 measured |
| Design Arena: ASCII art | Not measured | 1069 | Only Mistral Large 3 2512 measured |
| Neither model has a result on the other 1 board here | |||
GeneralLike-for-likePublic boards, shown as published, kept out of the index20
| Benchmark | GPT-4.1 | Mistral Large 3 2512 | Leader |
|---|---|---|---|
| SAGE (Vals AI) | Not measured | 24.6% | Only Mistral Large 3 2512 measured |
| IFBench | 43.0% | Not measured | Only GPT-4.1 measured |
| Long context reasoning (AA-LCR) | 68.3% | Not measured | Only GPT-4.1 measured |
| DTBench | 68.3% | 65.1% | GPT-4.1 |
| LMCA | 25.6% | 16.7% | GPT-4.1 |
| Fiction.LiveBench | 63.9% | Not measured | Only GPT-4.1 measured |
| LMArena Text | 1383 | Not measured | Only GPT-4.1 measured |
| LMArena Text: instruction following | 1367 | Not measured | Only GPT-4.1 measured |
| LMArena Text: creative writing | 1363 | Not measured | Only GPT-4.1 measured |
| LMArena Vision | 1210 | Not measured | Only GPT-4.1 measured |
| LMArena Text: English | 1392 | Not measured | Only GPT-4.1 measured |
| LMArena Text: non-English | 1370 | Not measured | Only GPT-4.1 measured |
| LMArena Text: Chinese | 1382 | Not measured | Only GPT-4.1 measured |
| LMArena Text: German | 1381 | Not measured | Only GPT-4.1 measured |
| LMArena Text: Japanese | 1319 | Not measured | Only GPT-4.1 measured |
| LMArena Text: Korean | 1338 | Not measured | Only GPT-4.1 measured |
| LMArena Text: French | 1382 | Not measured | Only GPT-4.1 measured |
| LMArena Text: Spanish | 1376 | Not measured | Only GPT-4.1 measured |
| LMArena Text: Russian | 1377 | Not measured | Only GPT-4.1 measured |
| LMArena Text: Polish | 1389 | Not measured | Only GPT-4.1 measured |
| LMArena Text: multi-turn | 1397 | Not measured | Only GPT-4.1 measured |
| LMArena Text: longer queries | 1385 | Not measured | Only GPT-4.1 measured |
| LMArena Text: writing and language | 1371 | Not measured | Only GPT-4.1 measured |
| LMArena Text: entertainment and media | 1365 | Not measured | Only GPT-4.1 measured |
| LMArena Vision: English | 1209 | Not measured | Only GPT-4.1 measured |
| LMArena Vision: Chinese | 1226 | Not measured | Only GPT-4.1 measured |
| LMArena Vision: reading text | 1218 | Not measured | Only GPT-4.1 measured |
| LMArena Vision: humor | 1196 | Not measured | Only GPT-4.1 measured |
| LMArena Vision: captioning | 1207 | Not measured | Only GPT-4.1 measured |
| LMArena Vision: recognizing things | 1208 | Not measured | Only GPT-4.1 measured |
| LMArena Vision: creative writing | 1210 | Not measured | Only GPT-4.1 measured |
| Neither model has a result on the other 15 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | GPT-4.1 | Mistral Large 3 2512 | 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 3 2512 costs less
Repository review
50K input + 3K output tokens
Mistral Large 3 2512 costs less
Agent loop
200K input + 10K output tokens
Mistral Large 3 2512 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 | OpenAI GPT-4.1 | Mistral Large 3 2512 |
|---|---|---|
| Maker | OpenAI | Mistral AI |
| Weights | No public weights listed | No public weights listed |
| Released | April 14, 2025 | December 1, 2025 |
| Context window | 1.05M | 262K |
| Input $/Mtok | $2.00 | $0.50 |
| Output $/Mtok | $8.00 | $1.50 |
| Coding index | Not benchmarked | Not benchmarked |
| Independent measurements behind it | 0 | 1 |
| Cost per solved task | $0.37 | $0.77 |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is GPT-4.1 better than Mistral Large 3 2512 for coding?
Neither model has a coding score yet, so the two cannot be ranked on coding. Pick GPT-4.1 for a lower cost per solved task ($0.37 against $0.77) and a larger context window (1.05M against 262K tokens).
Which is cheaper, GPT-4.1 or Mistral Large 3 2512?
GPT-4.1 costs $2.00 per million input tokens and $8.00 per million output tokens; Mistral Large 3 2512 costs $0.50 and $1.50. Per solved SWE-bench Verified task, GPT-4.1 costs $0.37 and Mistral Large 3 2512 $0.77.
Which has the bigger context window, GPT-4.1 or Mistral Large 3 2512?
GPT-4.1, with 1.05M tokens against 262K.
How many benchmarks is the GPT-4.1 vs Mistral Large 3 2512 comparison based on?
22 benchmarks have a result for both models as of October 21, 2026. GPT-4.1's coding index rests on 0 independent benchmarks and Mistral Large 3 2512's on 1. Where only one model has a result, the page says so instead of naming a winner.