MDL
GPT-5.6 Sol
OpenAI
Verified against Artificial Analysis · Jul 13, 2026
Capability
93
percentile index
Price /M
$5 / $30
in / out
Context
1.1M
tokens
Avg score
68.9
7 benchmarks
AA Intelligence
57.7
index
Speed
71 tok/s
TTFT 27s
Released
Jul 9, 2026
About
GPT-5.6 Sol is a proprietary model in the GPT family from OpenAI. Benchmarked on 7 evals, averaging 68.9.
Benchmark scores · 7
avg 68.9 — higher is betterPerformance & price
Output speed71 tok/s
Latency (TTFT)27s
Price in / out$5 / $30 per 1M
Blended price$11.25 / 1M
Coding index78.3
Median across API providers, via Artificial Analysis. Blended = 3:1 input:output. For reasoning models, latency includes thinking time. Methodology →
History
full ledger →AA Long-Context Reasoningfirst seen at 71
3d ago
Terminal-Bench Hardfirst seen at 61.4
3d ago
τ²-benchfirst seen at 84.8
3d ago
IFBenchfirst seen at 71
3d ago
SciCodefirst seen at 56
3d ago
Humanity's Last Examfirst seen at 44.7
3d ago
Append-only ledger — every observed change to this model's numbers.
API providers
Artificial Analysis$30/M