LLM Comparison
DeepSeek V3.1 Terminus vs GLM 5.1
Side-by-side specs, pricing & capabilities · Updated April 2026
Price vs Intelligence
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2/6 modelsSame tier:
D DeepSeek V3.1 Terminus | G GLM 5.1 | |
|---|---|---|
| Organization | DeepSeek | Z.ai |
| OpenTools Score | 36 71.8 | 78 38.1 |
| Family | DeepSeek | GLM |
| Status | Current | Current |
| Release Date | Sep 2025 | Apr 2026 |
| Context Window | 164K tokens | 203K tokens |
| Input Price | $0.21/M tokens | $0.95/M tokens |
| Output Price | $0.79/M tokens | $3.15/M tokens |
| Pricing Notes | Cache read: $0.1300/M tokens | Cache read: $0.4750/M tokens |
| Capabilities | textcode | textcode |
| Max Output | — | 66K tokens |
| API Identifier | deepseek/deepseek-v3.1-terminus | z-ai/glm-5.1 |
| 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 GLM 5.1 | |
Cost Calculator
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| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| DeepSeek V3.1 TerminusCheapest | $0.21 | $0.40 | $0.61 | — |
| GLM 5.1 | $0.95 | $1.58 | $2.53 | +317% |
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.
Z.ai
GLM 5.1
GLM 5.1 is a large language model from Z.ai. Supports up to 202,752 token context window. Available from $0.95/M input tokens.
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