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GPT-5.5 Instant (May 2026) vs Jamba 1.7 Large
OpenAI vs AI21 Labs — side-by-side benchmark comparison
| GPT-5.5 Instant (May 2026) | Jamba 1.7 Large | |
|---|---|---|
| Intelligence Index | 41.8 | 10.9 |
| Coding Index | 45.1 | 7.8 |
| Math Index | — | 2.3 |
| Output speed (tok/s) | 0.0 | 56.9 |
| Blended price ($/1M) | $11.25 | $3.50 |
| Time to first token (s) | 0.00s | 0.90s |
| aime | — | 5.7% |
| aime 25 | — | 2.3% |
| artificial analysis coding index | 45.10 | 7.80 |
| artificial analysis intelligence index | 41.80 | 10.90 |
| artificial analysis math index | — | 2.30 |
| gpqa | 84.6% | 39.0% |
| hle | 20.3% | 3.8% |
| ifbench | 71.5% | 35.2% |
| lcr | 55.7% | 17.3% |
| livecodebench | — | 18.1% |
| math 500 | — | 60.0% |
| mmlu pro | — | 57.7% |
| scicode | 50.3% | 18.8% |
| tau2 | 49.4% | 13.5% |
| terminalbench hard | 42.4% | 2.3% |
Benchmark data from Artificial Analysis.