Model comparison
Mistral Large 4 vs Step 5 Preview
Step 5 Preview is the stronger model overall, scoring 47.9 to 43.1 on the Noometry Index.
Last verified . 13 shared benchmarks.
Mistral AI
StepFunSummary
- They share 13 benchmarks with published results for both. Mistral Large 4 scores higher in 0 categories and Step 5 Preview in 8 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Step 5 Preview leads 40.0 to 22.5.
- Mistral Large 4 is cheaper at $0.68 / $2.09 per million input/output tokens, against $1 / $2.70 for Step 5 Preview.
- Mistral Large 4 accepts more context: 1.05M tokens versus 1.02M.
Side by side
| Mistral Large 4 | Step 5 Preview | |
|---|---|---|
| Provider | Mistral AI | StepFun |
| Noometry Index | 43.1 | 47.9 |
| Released | 2026-10-06 | 2026-09-16 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | 1.02M |
| Max output | 262K | 66K |
| Input $ / M tokens | $0.68 | $1 |
| Output $ / M tokens | $2.09 | $2.70 |
| Results tracked | 15 | 18 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Step 5 Preview leads
Mistral Large 4: 48.6 (#57), Step 5 Preview: 51.8 (#36)
| Benchmark | Mistral Large 4 | Step 5 Preview |
|---|---|---|
| LMArena WebDev | 1541 | 1564 |
| LMArena Coding | 1475 | 1480 |
| SciCode | — | 58.9% |
Reasoning Step 5 Preview leads
Mistral Large 4: 22.5 (#192), Step 5 Preview: 40.0 (#57)
| Benchmark | Mistral Large 4 | Step 5 Preview |
|---|---|---|
| LMArena Hard Prompts | 1444 | 1465 |
| NYT Connections (extended) | 27.4% | — |
| CritPt | — | 20.9% |
Math Step 5 Preview leads
Mistral Large 4: 40.4 (#91), Step 5 Preview: 46.1 (#72)
| Benchmark | Mistral Large 4 | Step 5 Preview |
|---|---|---|
| LMArena Math | 1488 | 1470 |
| ProofBench | — | 42% |
Knowledge Step 5 Preview leads
Mistral Large 4: 36.6 (#166), Step 5 Preview: 41.2 (#112)
| Benchmark | Mistral Large 4 | Step 5 Preview |
|---|---|---|
| LMArena Expert | 1447 | 1470 |
| SimpleQA Verified | 20% | — |
Multimodal Not comparable
Mistral Large 4: —, Step 5 Preview: 41.0 (#41)
| Benchmark | Mistral Large 4 | Step 5 Preview |
|---|---|---|
| LMArena Vision | — | 1267 |
Multilingual Step 5 Preview leads
Mistral Large 4: 52.6 (#82), Step 5 Preview: 53.8 (#54)
| Benchmark | Mistral Large 4 | Step 5 Preview |
|---|---|---|
| LMArena Non-English | 1415 | 1432 |
| LMArena Chinese | 1491 | 1519 |
| LMArena Russian | 1414 | 1436 |
| LMArena Spanish | — | 1439 |
Instruction Following Too close to call
Mistral Large 4: 75.0 (#76), Step 5 Preview: 76.0 (#50)
| Benchmark | Mistral Large 4 | Step 5 Preview |
|---|---|---|
| LMArena Instruction Following | 1424 | 1444 |
Long Context Too close to call
Mistral Large 4: 43.6 (#89), Step 5 Preview: 44.5 (#64)
| Benchmark | Mistral Large 4 | Step 5 Preview |
|---|---|---|
| LMArena Longer Query | 1429 | 1455 |
Writing & Preference Step 5 Preview leads
Mistral Large 4: 60.4 (#97), Step 5 Preview: 62.8 (#71)
| Benchmark | Mistral Large 4 | Step 5 Preview |
|---|---|---|
| LMArena Text | 1427 | 1442 |
| LMArena Creative Writing | 1361 | 1410 |
| LMArena Multi-Turn | 1424 | 1447 |
Frequently asked questions
Is Mistral Large 4 better than Step 5 Preview?
Step 5 Preview is the stronger model overall, scoring 47.9 to 43.1 on the Noometry Index.
Which is cheaper, Mistral Large 4 or Step 5 Preview?
Mistral Large 4 is cheaper. It lists at $0.68 per million input tokens and $2.09 per million output tokens; Step 5 Preview lists at $1 and $2.70.
Is Mistral Large 4 or Step 5 Preview better for coding?
Step 5 Preview scores higher on coding benchmarks: 51.8 versus 48.6 in the Noometry coding category.
Which has the bigger context window?
Mistral Large 4 does, with 1.05M tokens against 1.02M.
How many benchmarks do Mistral Large 4 and Step 5 Preview share?
13 benchmarks have published results for both models. Mistral Large 4 has 15 scored results on Noometry and Step 5 Preview has 18.