GPT-5.1 vs Jamba 1.6 Large
OpenAI vs AI21 Labs — benchmarks, pricing, and capabilities side by side.
- •GPT-5.1 has the higher intelligence index (89 vs 42.6)
- •GPT-5.1 is cheaper ($1.25 vs $2.00 per 1M input)
- •GPT-5.1 is faster
| GPT-5.1 | Jamba 1.6 Large | |
|---|---|---|
| Intelligence index | 89 | 42.6 |
| Developer | OpenAI | AI21 Labs |
| Type | LLM | LLM |
| Access | API only | — |
| Context window | 400,000 tokens | — |
| Input price | $1.25 / 1M | $2.00 / 1M |
| Output price | $10.00 / 1M | $8.00 / 1M |
| Speed | 115 tok/s | 52 tok/s |
| Released | November 12, 2025 | March 6, 2025 |
| Parameters | — | — |
| Input modalities | Text, Image | — |
| Output modalities | Text | — |
Shared benchmarks
GPT-5.1
Jamba 1.6 Large
GPQA Diamond
88.1
38.7
Humanity’s Last Exam
26.5
4
LiveCodeBench
86.8
17.2
MMLU-Pro
87
56.5