GPT-5.6 Sol Benchmarks, Pricing & Rankings
OpenAI · 2026-06-05 · Closed · Current
Snapshot 2026-10-14 · updated weekly
GPT-5.6 Sol ranks #12 of 42 on the AMR leaderboard.
GPT-5.6 Sol benchmark scores
| GPQA Diamond | 88.4% | |
| MMLU-Pro | 85.1% | |
| SWE-Bench Verified | 69.8% | |
| AIME 2025 | 88.7% | |
| LiveCodeBench v6 | 76.5% | |
| Arena Elo | 1428 |
GPT-5.6 Sol price, speed & context
Input price
$2.80
per 1M tokens
Output price
$16
per 1M tokens
Speed
134
tok/s
Context
512K
tokens
About GPT-5.6 Sol
GPT-5.6 Sol is the previous-generation OpenAI flagship, still a top-15 aggregate model and a common cost-optimized default for high-volume pipelines.
Models around GPT-5.6 Sol in the rankings
More OpenAI models
GPT-5.6 Sol FAQ
Where does GPT-5.6 Sol rank?
GPT-5.6 Sol ranks #12 of 42 tracked AI models on the AMR aggregate as of October 2026, with an aggregate score of 89.7. Its strongest dimension is AIME 2025 at 88.7%.
How much does GPT-5.6 Sol cost?
GPT-5.6 Sol costs $2.80 per million input tokens and $16 per million output tokens on the standard API. At a typical 1:3 input/output agent workload, that blends to roughly $12.70 per million tokens.
What is the GPT-5.6 Sol context window?
GPT-5.6 Sol supports a 512K token context window and generates at a median 134 output tokens per second. That context fits roughly 341 standard documents in a single prompt.
Is GPT-5.6 Sol open source?
No — GPT-5.6 Sol is a closed model available only through OpenAI’s official API and authorized cloud partners.
What is better than GPT-5.6 Sol?
Grok 5 Preview ranks one place higher at #11 with an AMR score of 90.8. GPT-5.6 Sol still wins 0 of the tracked dimensions head-to-head — check the comparison table to see exactly which.