Model comparison
Pixtral Large vs Step 3.5 Flash
Step 3.5 Flash is the stronger model overall, scoring 42.3 to 32.2 on the Noometry Index.
Last verified . 0 shared benchmarks.
Mistral AI
StepFunSummary
- The widest gap is in writing & preference, where Step 3.5 Flash leads 58.8 to 32.9.
- Step 3.5 Flash is cheaper at $0.10 / $0.30 per million input/output tokens, against $2 / $6 for Pixtral Large.
- Step 3.5 Flash accepts more context: 256K tokens versus 128K.
Side by side
| Pixtral Large | Step 3.5 Flash | |
|---|---|---|
| Provider | Mistral AI | StepFun |
| Noometry Index | 32.2 | 42.3 |
| Released | 2024-11-01 | 2026-01-29 |
| Weights | Open | Open |
| Context window | 128K | 256K |
| Max output | 128K | 256K |
| Input $ / M tokens | $2 | $0.10 |
| Output $ / M tokens | $6 | $0.30 |
| Results tracked | 3 | 19 |
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Category by category
Coding Not comparable
Pixtral Large: —, Step 3.5 Flash: 42.4 (#105)
| Benchmark | Pixtral Large | Step 3.5 Flash |
|---|---|---|
| LMArena Coding | — | 1436 |
Reasoning Too close to call
Pixtral Large: 21.7 (#218), Step 3.5 Flash: 22.2 (#202)
| Benchmark | Pixtral Large | Step 3.5 Flash |
|---|---|---|
| NYT Connections (extended) | — | 28.4% |
| EnigmaEval | 0.8% | — |
| LMArena Hard Prompts | — | 1411 |
Math Not comparable
Pixtral Large: —, Step 3.5 Flash: 42.6 (#84)
| Benchmark | Pixtral Large | Step 3.5 Flash |
|---|---|---|
| MathArena Final-Answer Competitions | — | 66.8% |
| LMArena Math | — | 1408 |
Knowledge Not comparable
Pixtral Large: —, Step 3.5 Flash: 39.6 (#132)
| Benchmark | Pixtral Large | Step 3.5 Flash |
|---|---|---|
| LMArena Expert | — | 1421 |
Multimodal Not comparable
Pixtral Large: 30.6 (#111), Step 3.5 Flash: —
| Benchmark | Pixtral Large | Step 3.5 Flash |
|---|---|---|
| LMArena Vision | 1089 | — |
Multilingual Not comparable
Pixtral Large: —, Step 3.5 Flash: 50.5 (#119)
| Benchmark | Pixtral Large | Step 3.5 Flash |
|---|---|---|
| LMArena Non-English | — | 1385 |
| LMArena Chinese | — | 1447 |
| LMArena French | — | 1421 |
| LMArena German | — | 1405 |
| LMArena Japanese | — | 1354 |
| LMArena Korean | — | 1352 |
| LMArena Russian | — | 1385 |
| LMArena Spanish | — | 1419 |
Instruction Following Not comparable
Pixtral Large: —, Step 3.5 Flash: 73.1 (#124)
| Benchmark | Pixtral Large | Step 3.5 Flash |
|---|---|---|
| LMArena Instruction Following | — | 1385 |
Long Context Not comparable
Pixtral Large: —, Step 3.5 Flash: 42.8 (#117)
| Benchmark | Pixtral Large | Step 3.5 Flash |
|---|---|---|
| LMArena Longer Query | — | 1402 |
Writing & Preference Step 3.5 Flash leads
Pixtral Large: 32.9 (#278), Step 3.5 Flash: 58.8 (#113)
| Benchmark | Pixtral Large | Step 3.5 Flash |
|---|---|---|
| LMArena Text | — | 1403 |
| LMArena Creative Writing | — | 1357 |
| EQ-Bench Creative Writing | 988 | — |
| LMArena Multi-Turn | — | 1405 |
Frequently asked questions
Is Pixtral Large better than Step 3.5 Flash?
Step 3.5 Flash is the stronger model overall, scoring 42.3 to 32.2 on the Noometry Index.
Which is cheaper, Pixtral Large or Step 3.5 Flash?
Step 3.5 Flash is cheaper. It lists at $0.10 per million input tokens and $0.30 per million output tokens; Pixtral Large lists at $2 and $6.
Which has the bigger context window?
Step 3.5 Flash does, with 256K tokens against 128K.
How many benchmarks do Pixtral Large and Step 3.5 Flash share?
0 benchmarks have published results for both models. Pixtral Large has 3 scored results on Noometry and Step 3.5 Flash has 19.