Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | GLM-4.5V (Reasoning) | DeepSeek V3.1 (Reasoning) |
|---|---|---|
| Input ($/M tokens) | $0.6 | $0.6 |
| Output ($/M tokens) | $1.8 | $1.7 |
Data from Artificial Analysis API — 12 benchmarks
DeepSeek V3.1 (Reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.88/M tokens vs $0.90/M for GLM-4.5V (Reasoning).
DeepSeek V3.1 (Reasoning) wins 11 out of 12 benchmarks compared to 0 for GLM-4.5V (Reasoning). See the detailed benchmark chart above for per-category results.
GLM-4.5V (Reasoning) generates tokens faster at 56 tok/s vs 0 tok/s. However, DeepSeek V3.1 (Reasoning) has lower time-to-first-token (0.00s vs 0.98s).
Choose based on your priorities: DeepSeek V3.1 (Reasoning) for lower cost, DeepSeek V3.1 (Reasoning) for stronger benchmark performance, and GLM-4.5V (Reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.