Model comparison
Devstral Small 2505 vs GLM-5
GLM-5 is the stronger model overall, scoring 46.1 to 34.3 on the Noometry Index. Devstral Small 2505 costs 10× less per token, which makes it the better buy when GLM-5's lead doesn't matter for your workload.
Last verified . 2 shared benchmarks.
Mistral AISummary
- They share 2 benchmarks with published results for both. Devstral Small 2505 scores higher in 0 categories and GLM-5 in 2 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in coding, where GLM-5 leads 49.0 to 38.9.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 37.7% for Devstral Small 2505 and 75% for GLM-5.
- Devstral Small 2505 is cheaper at $0.10 / $0.30 per million input/output tokens, against $1 / $3.20 for GLM-5.
- GLM-5 accepts more context: 205K tokens versus 128K.
Side by side
| Devstral Small 2505 | GLM-5 | |
|---|---|---|
| Provider | Mistral AI | Z.ai (Zhipu) |
| Noometry Index | 34.3 | 46.1 |
| Released | 2025-05-07 | 2026-02-11 |
| Weights | Open | Open |
| Context window | 128K | 205K |
| Max output | 128K | 131K |
| Input $ / M tokens | $0.10 | $1 |
| Output $ / M tokens | $0.30 | $3.20 |
| Results tracked | 4 | 45 |
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Category by category
Coding GLM-5 leads
Devstral Small 2505: 38.9 (#166), GLM-5: 49.0 (#52)
| Benchmark | Devstral Small 2505 | GLM-5 |
|---|---|---|
| SWE-bench Verified (bash only) | 56.4% | 72.8% |
| SWE-bench Verified | — | 72.1% |
| LMArena WebDev | — | 1434 |
| SWE-bench Multilingual | — | 69.7% |
| SciCode | 28.8% | — |
| WeirdML | — | 48.2% |
| LMArena Coding | — | 1461 |
| ALE-Bench | — | 765.62 |
Agentic & Tool Use Not comparable
Devstral Small 2505: —, GLM-5: 31.1 (#71)
| Benchmark | Devstral Small 2505 | GLM-5 |
|---|---|---|
| Terminal-Bench | — | 52.4% |
| τ²-bench Airline | — | 82.5% |
| τ²-bench Banking | — | 9.8% |
| τ²-bench Retail | — | 73.7% |
| τ²-bench Telecom | — | 86.8% |
| Vending-Bench 2 | — | 4,432 |
Reasoning GLM-5 leads
Devstral Small 2505: 19.7 (#252), GLM-5: 27.6 (#116)
| Benchmark | Devstral Small 2505 | GLM-5 |
|---|---|---|
| Kagi LLM Benchmark | 37.7% | 75% |
| ARC-AGI-2 | — | 4.9% |
| SimpleBench | — | 53.2% |
| NYT Connections (extended) | — | 74.8% |
| ARC-AGI-1 | — | 44.7% |
| CritPt | 0% | — |
| Chess Puzzles | — | 10% |
| LMArena Hard Prompts | — | 1452 |
| Epoch Capabilities Index | — | 145.83 |
| ForecastBench | — | 61 |
Math Not comparable
Devstral Small 2505: —, GLM-5: 46.4 (#71)
| Benchmark | Devstral Small 2505 | GLM-5 |
|---|---|---|
| MathArena Final-Answer Competitions | — | 65.7% |
| OTIS Mock AIME 2024-2025 | — | 80% |
| LMArena Math | — | 1440 |
| FrontierMath (Feb 2025 set) | — | 16.4% |
| FrontierMath Tier 4 (v1) | — | 2.1% |
Knowledge Not comparable
Devstral Small 2505: —, GLM-5: 52.3 (#64)
| Benchmark | Devstral Small 2505 | GLM-5 |
|---|---|---|
| GPQA Diamond | — | 87.8% |
| Vectara Hallucination Rate | — | 10.1% |
| LMArena Expert | — | 1454 |
Multilingual Not comparable
Devstral Small 2505: —, GLM-5: 53.7 (#58)
| Benchmark | Devstral Small 2505 | GLM-5 |
|---|---|---|
| LMArena Non-English | — | 1430 |
| LMArena Chinese | — | 1511 |
| LMArena French | — | 1455 |
| LMArena German | — | 1445 |
| LMArena Japanese | — | 1416 |
| LMArena Korean | — | 1423 |
| LMArena Russian | — | 1436 |
| LMArena Spanish | — | 1454 |
Instruction Following Not comparable
Devstral Small 2505: —, GLM-5: 75.2 (#67)
| Benchmark | Devstral Small 2505 | GLM-5 |
|---|---|---|
| LMArena Instruction Following | — | 1428 |
Long Context Not comparable
Devstral Small 2505: —, GLM-5: 44.7 (#60)
| Benchmark | Devstral Small 2505 | GLM-5 |
|---|---|---|
| CL-bench | — | 18.7% |
| LMArena Longer Query | — | 1446 |
Writing & Preference Not comparable
Devstral Small 2505: —, GLM-5: 66.0 (#38)
| Benchmark | Devstral Small 2505 | GLM-5 |
|---|---|---|
| LMArena Text | — | 1446 |
| LMArena Creative Writing | — | 1439 |
| EQ-Bench Creative Writing | — | 1601 |
| LMArena Multi-Turn | — | 1456 |
Frequently asked questions
Is Devstral Small 2505 better than GLM-5?
GLM-5 is the stronger model overall, scoring 46.1 to 34.3 on the Noometry Index. Devstral Small 2505 costs 10× less per token, which makes it the better buy when GLM-5's lead doesn't matter for your workload.
Which is cheaper, Devstral Small 2505 or GLM-5?
Devstral Small 2505 is cheaper. It lists at $0.10 per million input tokens and $0.30 per million output tokens; GLM-5 lists at $1 and $3.20.
Is Devstral Small 2505 or GLM-5 better for coding?
GLM-5 scores higher on coding benchmarks: 49.0 versus 38.9 in the Noometry coding category.
Which has the bigger context window?
GLM-5 does, with 205K tokens against 128K.
How many benchmarks do Devstral Small 2505 and GLM-5 share?
2 benchmarks have published results for both models. Devstral Small 2505 has 4 scored results on Noometry and GLM-5 has 45.