Cogito v2.1 vs GPT-5.1
Deep Cogito vs OpenAI — benchmarks, pricing, and capabilities side by side.
- •GPT-5.1 has the higher intelligence index (89 vs 75.8)
- •GPT-5.1 is cheaper ($1.25 vs $1.30 per 1M input)
- •GPT-5.1 is faster
| Cogito v2.1 | GPT-5.1 | |
|---|---|---|
| Intelligence index | 75.8 | 89 |
| Developer | Deep Cogito | OpenAI |
| Type | LLM | LLM |
| Access | — | API only |
| Context window | — | 400,000 tokens |
| Input price | $1.30 / 1M | $1.25 / 1M |
| Output price | $1.30 / 1M | $10.00 / 1M |
| Speed | 56 tok/s | 115 tok/s |
| Released | November 18, 2025 | November 12, 2025 |
| Parameters | — | — |
| Input modalities | — | Text, Image |
| Output modalities | — | Text |
Shared benchmarks
Cogito v2.1
GPT-5.1
AIME 2025
72.7
94
GPQA Diamond
76.8
88.1
Humanity’s Last Exam
11
26.5
LiveCodeBench
68.8
86.8
MMLU-Pro
84.9
87