LLM Comparison
DeepSeek V3.1 Terminus vs Devstral 2 2512
Side-by-side specs, pricing & capabilities · Updated April 2026
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2/6 modelsSame tier:
D DeepSeek V3.1 Terminus | D Devstral 2 2512 | |
|---|---|---|
| Organization | DeepSeek | Mistral AI |
| OpenTools Score | 36 71.8 | |
| Family | DeepSeek | Devstral |
| Status | Current | Current |
| Release Date | Sep 2025 | Dec 2025 |
| Context Window | 164K tokens | 262K tokens |
| Input Price | $0.21/M tokens | $0.40/M tokens |
| Output Price | $0.79/M tokens | $2.00/M tokens |
| Pricing Notes | Cache read: $0.1300/M tokens | Cache read: $0.0400/M tokens |
| Capabilities | textcode | textcodetool-use |
| API Identifier | deepseek/deepseek-v3.1-terminus | mistralai/devstral-2512 |
| Benchmarks | ||
| MMLU-Pro | 83.6deepseek | — |
| GPQA Diamond | 75.1deepseek | — |
| AIME 2025 | 53.7deepseek | — |
| LiveCodeBench | 52.9deepseek | — |
| SWE-bench Verified | 66deepseek | — |
| Terminal-Bench Hard | 31.8deepseek | — |
| HLE | 8.4deepseek | — |
| View DeepSeek V3.1 Terminus | View Devstral 2 2512 | |
Cost Calculator
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| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| DeepSeek V3.1 TerminusCheapest | $0.21 | $0.40 | $0.61 | — |
| Devstral 2 2512 | $0.40 | $1.00 | $1.40 | +131% |
DeepSeek
DeepSeek V3.1 Terminus
DeepSeek V3.1 Terminus is a large language model from DeepSeek. Supports up to 163,840 token context window. Achieves 87.1% on MMLU. Available from $0.21/M input tokens.
Mistral AI
Devstral 2 2512
Devstral 2 2512 is a large language model from Mistral AI. Supports up to 262,144 token context window. Available from $0.40/M input tokens.
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