GPT-5.6 Sol API Pricing — $5.00/M input, $30.00/M output
OpenAI's flagship model for complex professional work, agentic planning, and long-horizon coding.
Speed
Tokens / sec
44
TTFT
560 ms
Rank
#30 of 31
$ / M ÷ t/s
$0.26
Measured with 5 runs on a fixed prompt — see the full methodology.
Cost at scale
| Tokens / month | Est. cost (blended 3:1) |
|---|---|
| 100,000 | $1.13 |
| 1,000,000 | $11.25 |
| 10,000,000 | $112.50 |
| 100,000,000 | $1125.00 |
How GPT-5.6 Sol compares
GPT-5 Nano — $0.14/MGPT-4o Mini — $0.26/MGPT-5.6 Luna — $0.45/MGPT-5.4 Nano — $0.46/MGPT-5 Mini — $0.69/MClaude Opus 4.8 — $10.00/MClaude Opus 4.7 — $10.00/MClaude Opus 4.6 — $10.00/M
Head-to-head comparisons
GPT-5.6 Sol vs Claude Fable 5GPT-5.6 Sol vs DeepSeek V4 ProGPT-5.6 Sol vs Grok 4.3GPT-5.6 Sol vs GPT-4o
FAQ
Is GPT-5.6 Sol cheaper than Claude Opus 4.8?
GPT-5.6 Sol costs $11.25/M blended tokens, Claude Opus 4.8 costs $10.00/M — Claude Opus 4.8 is cheaper.
How much does 1 million tokens cost with GPT-5.6 Sol?
At a 3:1 input:output ratio, 1 million blended tokens costs approximately $11.25. Pure input costs $5.00/M; pure output costs $30.00/M.
Who provides GPT-5.6 Sol?
GPT-5.6 Sol is served by OpenAI. Pricing was last verified on 2026-07-09 against https://openai.com/api/pricing.
