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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.

Input
$5.00/M
Output
$30.00/M
Blended
$11.25/M
Provider
Verified 2026-07-09source

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 / monthEst. 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
See all OpenAI models →

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.

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