DeepSeek V3.1 Terminus vs GLM 5.3 Prime
Price, context window & benchmark comparison
VS
Compare different models
Verdict: DeepSeek V3.1 Terminus is 9.5× cheaper than GLM 5.3 Prime on a typical 3:1 input/output mix. GLM 5.3 Prime has the larger context window (1M vs 164K).
| DeepSeek V3.1 Terminus | GLM 5.3 Prime | |
|---|---|---|
| Input price / 1M | $0.27 | $2.80 |
| Output price / 1M | $1.00 | $8.80 |
| Blended price (3:1) | $0.45 | $4.30 |
| Cached input / 1M | $0.14 | $0.56 |
| Context window | 164K | 1M |
| Max output | 33K | 131K |
| Intelligence index | 14.8 | — |
| Coding index | 43.5 | — |
| Providers | — | 1 |
| Best provider uptime (30m) | — | 100.0% |
| Vision input | No | No |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2025-09-22 | 2026-09-23 |
| Retirement | 2026-09-28 | — |
Cost calculator
FAQ
Which is cheaper, DeepSeek V3.1 Terminus or GLM 5.3 Prime?
DeepSeek V3.1 Terminus is 9.5× cheaper than GLM 5.3 Prime on a typical 3:1 input/output mix.
DeepSeek V3.1 Terminus vs GLM 5.3 Prime: which has a bigger context window?
DeepSeek V3.1 Terminus: 163,840 tokens. GLM 5.3 Prime: 1,000,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: DeepSeek V3.1 Terminus ≈ $1,040, GLM 5.3 Prime ≈ $10,000.
More comparisons
DeepSeek V3.1 Terminus vs Qwen3.8 Max PrimeDeepSeek V3.1 Terminus vs Command A+DeepSeek V3.1 Terminus vs GPT-6 Luna ProDeepSeek V3.1 Terminus vs GPT-6 LunaDeepSeek V3.1 Terminus vs GPT-6 Sol ProDeepSeek V3.1 Terminus vs GPT-6 SolDeepSeek V3.1 Terminus vs Claude Opus 5.5DeepSeek V3.1 Terminus vs MiMo-V2.6-Pro-UltraSpeedDeepSeek V3.1 Terminus vs MiMo-V2.6-FlashDeepSeek V3.1 Terminus vs Grok 4.7DeepSeek V3.1 Terminus vs Qwen3.8 Omni FlashDeepSeek V3.1 Terminus vs GLM 5.3 FlashXDeepSeek V3.1 Terminus vs DeepSeek V4.1 FlashDeepSeek V3.1 Terminus vs GPT-6 AstraDeepSeek V3.1 Terminus vs GPT-6 Astra ProDeepSeek V3.1 Terminus vs Qwen3.8 Max (0902)GLM 5.3 Prime vs Qwen3.8 Max PrimeGLM 5.3 Prime vs Command A+GLM 5.3 Prime vs GPT-6 Luna ProGLM 5.3 Prime vs GPT-6 LunaGLM 5.3 Prime vs GPT-6 Sol ProGLM 5.3 Prime vs GPT-6 SolGLM 5.3 Prime vs Claude Opus 5.5GLM 5.3 Prime vs MiMo-V2.6-Pro-UltraSpeed