According to UsagePricing's tracker, GPT-5.6 Sol costs $4.00 per 1M input tokens and $20.00 per 1M output tokens as of August 2026. The model supports a 1,000,000-token context window.
Latest flagship — top tier of the GPT-5.6 family, frontier intelligence with a 1M context window. Cut to $4/$20 on Aug 21, 2026 — OpenAI calls this promotional pricing, available at least through Nov 21, 2026.
Token Costs (per 1M)
Technical Specs
Price History
| Date | Input Price | Output Price |
|---|---|---|
| 8/21/2026 | $4.00 | $20.00 |
| 7/9/2026 | $5.00 | $30.00 |
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Frequently Asked Questions
How much does GPT-5.6 Sol cost per 1M tokens? ▼
GPT-5.6 Sol costs $4 per 1M input tokens and $20 per 1M output tokens as of September 2026.
What is GPT-5.6 Sol's context window? ▼
GPT-5.6 Sol has a context window of 1,000,000 tokens, meaning it can process approximately 750,000 words in a single request.
Who makes GPT-5.6 Sol? ▼
GPT-5.6 Sol is made by OpenAI. You can access it via the OpenAI API.