Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | DeepSeek V3.1 Terminus (Non-reasoning) | GLM-4.5-Air |
|---|---|---|
| Input ($/M tokens) | $0.27 | $0.17 |
| Output ($/M tokens) | $1 | $0.98 |
Data from Artificial Analysis API — 12 benchmarks
GLM-4.5-Air is cheaper overall. Its blended price (3:1 input/output ratio) is $0.37/M tokens vs $0.45/M for DeepSeek V3.1 Terminus (Non-reasoning).
DeepSeek V3.1 Terminus (Non-reasoning) wins 8 out of 12 benchmarks compared to 4 for GLM-4.5-Air. See the detailed benchmark chart above for per-category results.
GLM-4.5-Air generates tokens faster at 76 tok/s vs 0 tok/s. DeepSeek V3.1 Terminus (Non-reasoning) also has lower time-to-first-token (0.00s vs 1.73s).
Choose based on your priorities: GLM-4.5-Air for lower cost, DeepSeek V3.1 Terminus (Non-reasoning) for stronger benchmark performance, and GLM-4.5-Air for faster generation. For latency-sensitive apps, check the TTFT comparison above.