Model comparison
Devstral Small 2505 vs Llama 3-8B
Devstral Small 2505 is the stronger model overall, scoring 34.3 to 25.5 on the Noometry Index.
Last verified . 0 shared benchmarks.
Mistral AI
MetaSummary
- The widest gap is in coding, where Devstral Small 2505 leads 38.9 to 31.0.
Side by side
| Devstral Small 2505 | Llama 3-8B | |
|---|---|---|
| Provider | Mistral AI | Meta |
| Noometry Index | 34.3 | 25.5 |
| Released | 2025-05-07 | 2024-04-18 |
| Weights | Open | Open |
| Context window | 128K | — |
| Max output | 128K | — |
| Input $ / M tokens | $0.10 | — |
| Output $ / M tokens | $0.30 | — |
| Results tracked | 4 | 34 |
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Category by category
Coding Devstral Small 2505 leads
Devstral Small 2505: 38.9 (#166), Llama 3-8B: 31.0 (#289)
| Benchmark | Devstral Small 2505 | Llama 3-8B |
|---|---|---|
| SWE-bench Verified (bash only) | 56.4% | — |
| SciCode | 28.8% | — |
| BigCodeBench Instruct | — | 31.9% |
| LMArena Coding | — | 1152 |
| BigCodeBench Complete | — | 36.9% |
| HumanEval+ | — | 56.7% |
| MBPP+ | — | 54.8% |
Reasoning Devstral Small 2505 leads
Devstral Small 2505: 19.7 (#252), Llama 3-8B: 14.3 (#326)
| Benchmark | Devstral Small 2505 | Llama 3-8B |
|---|---|---|
| Kagi LLM Benchmark | 37.7% | — |
| CritPt | 0% | — |
| Chess Puzzles | — | 0% |
| LMArena Hard Prompts | — | 1133 |
| DTBench | — | 43.9% |
| Adversarial NLI | — | 57.3% |
| Epoch Capabilities Index | — | 116.45 |
| ForecastBench | — | 58.6 |
| WinoGrande | — | 75.7% |
Math Not comparable
Devstral Small 2505: —, Llama 3-8B: 8.8 (#323)
| Benchmark | Devstral Small 2505 | Llama 3-8B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 1.9% |
| LMArena Math | — | 1151 |
| MATH Level 5 | — | 6.1% |
Knowledge Not comparable
Devstral Small 2505: —, Llama 3-8B: 7.8 (#308)
| Benchmark | Devstral Small 2505 | Llama 3-8B |
|---|---|---|
| GPQA Diamond | — | 26.1% |
| LMArena Expert | — | 1113 |
| ARC (AI2) Challenge | — | 82.8% |
| MMLU | — | 68.8% |
| OpenBookQA | — | 82.6% |
| TriviaQA | — | 67.7% |
Multilingual Not comparable
Devstral Small 2505: —, Llama 3-8B: 30.8 (#261)
| Benchmark | Devstral Small 2505 | Llama 3-8B |
|---|---|---|
| LMArena Non-English | — | 1098 |
| LMArena Chinese | — | 1076 |
| LMArena French | — | 1159 |
| LMArena German | — | 1104 |
| LMArena Japanese | — | 967 |
| LMArena Korean | — | 1004 |
| LMArena Russian | — | 1109 |
| LMArena Spanish | — | 1173 |
Instruction Following Not comparable
Devstral Small 2505: —, Llama 3-8B: 58.4 (#260)
| Benchmark | Devstral Small 2505 | Llama 3-8B |
|---|---|---|
| LMArena Instruction Following | — | 1127 |
Long Context Not comparable
Devstral Small 2505: —, Llama 3-8B: 34.2 (#251)
| Benchmark | Devstral Small 2505 | Llama 3-8B |
|---|---|---|
| LMArena Longer Query | — | 1128 |
Writing & Preference Not comparable
Devstral Small 2505: —, Llama 3-8B: 37.5 (#256)
| Benchmark | Devstral Small 2505 | Llama 3-8B |
|---|---|---|
| LMArena Text | — | 1166 |
| LMArena Creative Writing | — | 1150 |
| LMArena Multi-Turn | — | 1152 |
Frequently asked questions
Is Devstral Small 2505 better than Llama 3-8B?
Devstral Small 2505 is the stronger model overall, scoring 34.3 to 25.5 on the Noometry Index.
Is Devstral Small 2505 or Llama 3-8B better for coding?
Devstral Small 2505 scores higher on coding benchmarks: 38.9 versus 31.0 in the Noometry coding category.
How many benchmarks do Devstral Small 2505 and Llama 3-8B share?
0 benchmarks have published results for both models. Devstral Small 2505 has 4 scored results on Noometry and Llama 3-8B has 34.