Model comparison
Mistral Small 3 vs Step 2 16k Exp 202412
Step 2 16k Exp 202412 is the stronger model overall, scoring 39.2 to 31.2 on the Noometry Index.
Last verified . 12 shared benchmarks.
Mistral AI
StepFunSummary
- They share 12 benchmarks with published results for both. Mistral Small 3 scores higher in 0 categories and Step 2 16k Exp 202412 in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Step 2 16k Exp 202412 leads 52.3 to 32.2.
- Mistral Small 3 has downloadable open weights; the other is API-only.
Side by side
| Mistral Small 3 | Step 2 16k Exp 202412 | |
|---|---|---|
| Provider | Mistral AI | StepFun |
| Noometry Index | 31.2 | 39.2 |
| Released | 2025-01-30 | — |
| Weights | Open | Proprietary |
| Context window | 33K | — |
| Max output | 16K | — |
| Input $ / M tokens | $0.05 | — |
| Output $ / M tokens | $0.08 | — |
| Results tracked | 24 | 12 |
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Category by category
Coding Step 2 16k Exp 202412 leads
Mistral Small 3: 36.5 (#207), Step 2 16k Exp 202412: 38.5 (#174)
| Benchmark | Mistral Small 3 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Coding | 1246 | 1316 |
| BigCodeBench Instruct | 45.3% | — |
| BigCodeBench Complete | 50.4% | — |
Reasoning Step 2 16k Exp 202412 leads
Mistral Small 3: 18.9 (#273), Step 2 16k Exp 202412: 25.9 (#142)
| Benchmark | Mistral Small 3 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Hard Prompts | 1233 | 1299 |
| Chess Puzzles | 0% | — |
| Epoch Capabilities Index | 127.07 | — |
Math Step 2 16k Exp 202412 leads
Mistral Small 3: 16.3 (#295), Step 2 16k Exp 202412: 36.3 (#169)
| Benchmark | Mistral Small 3 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Math | 1240 | 1304 |
| OTIS Mock AIME 2024-2025 | 6.7% | — |
Knowledge Step 2 16k Exp 202412 leads
Mistral Small 3: 25.1 (#263), Step 2 16k Exp 202412: 35.2 (#187)
| Benchmark | Mistral Small 3 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Expert | 1202 | 1279 |
| GPQA Diamond | 47.3% | — |
| Confabulations | 25.2% | — |
Multilingual Step 2 16k Exp 202412 leads
Mistral Small 3: 37.3 (#236), Step 2 16k Exp 202412: 43.7 (#181)
| Benchmark | Mistral Small 3 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Non-English | 1198 | 1290 |
| LMArena Chinese | 1204 | 1331 |
| LMArena Russian | 1216 | 1324 |
| LMArena French | 1203 | — |
| LMArena German | 1211 | — |
| LMArena Japanese | 1111 | — |
| LMArena Korean | 1188 | — |
Instruction Following Step 2 16k Exp 202412 leads
Mistral Small 3: 63.7 (#229), Step 2 16k Exp 202412: 67.9 (#192)
| Benchmark | Mistral Small 3 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Instruction Following | 1214 | 1287 |
Long Context Step 2 16k Exp 202412 leads
Mistral Small 3: 37.8 (#211), Step 2 16k Exp 202412: 39.7 (#170)
| Benchmark | Mistral Small 3 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Longer Query | 1246 | 1307 |
Writing & Preference Step 2 16k Exp 202412 leads
Mistral Small 3: 32.2 (#280), Step 2 16k Exp 202412: 52.3 (#173)
| Benchmark | Mistral Small 3 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Text | 1234 | 1321 |
| LMArena Creative Writing | 1195 | 1328 |
| LMArena Multi-Turn | 1217 | 1292 |
| EQ-Bench Creative Writing | 707 | — |
Frequently asked questions
Is Mistral Small 3 better than Step 2 16k Exp 202412?
Step 2 16k Exp 202412 is the stronger model overall, scoring 39.2 to 31.2 on the Noometry Index.
Is Mistral Small 3 or Step 2 16k Exp 202412 better for coding?
Step 2 16k Exp 202412 scores higher on coding benchmarks: 38.5 versus 36.5 in the Noometry coding category.
How many benchmarks do Mistral Small 3 and Step 2 16k Exp 202412 share?
12 benchmarks have published results for both models. Mistral Small 3 has 24 scored results on Noometry and Step 2 16k Exp 202412 has 12.