Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | GPT-5.4 nano (medium) | Cogito v2.1 (Reasoning) |
|---|---|---|
| Input ($/M tokens) | $0.2 | $1.25 |
| Output ($/M tokens) | $1.25 | $1.25 |
Data from Artificial Analysis API — 12 benchmarks
GPT-5.4 nano (medium) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.46/M tokens vs $1.25/M for Cogito v2.1 (Reasoning).
Cogito v2.1 (Reasoning) wins 6 out of 12 benchmarks compared to 5 for GPT-5.4 nano (medium). See the detailed benchmark chart above for per-category results.
GPT-5.4 nano (medium) generates tokens faster at 171 tok/s vs 92 tok/s. However, Cogito v2.1 (Reasoning) has lower time-to-first-token (0.27s vs 2.38s).
Choose based on your priorities: GPT-5.4 nano (medium) for lower cost, Cogito v2.1 (Reasoning) for stronger benchmark performance, and GPT-5.4 nano (medium) for faster generation. For latency-sensitive apps, check the TTFT comparison above.