GPT-5.6 Sol pricing
What GPT-5.6 Sol costs per million tokens: input, output, cache read and cache write, with batch and long-context rates where the provider publishes them. Every figure is the rate Vigil's proxy bills with, read from the provider's own page.
Prices checked 9 Oct 2026 against developers.openai.com. All shown rates agreed with the page. OpenAI’s page says the current price is promotional "at least through November 21, 2026" and states no later price, so only the current price is shown.
GPT-5.6 Sol on OpenAI API
Model id gpt-5.6-sol. Verified against the provider's published price; registry row retrieved 2026-09-11 from developers.openai.com.
| Applies | Input | Output | Cache read | Cache write |
|---|---|---|---|---|
| 21 Aug 2026 to 21 Nov 2026 | $4.00 | $20.00 | $0.400 | $5.00 default |
USD per 1M tokens. A dash means the provider publishes no rate for that dimension, so the proxy declines to price it.
- Endpoint classes: global, regional (×1.1).
- on_demand: the standard rate.
- batch: 50% below the standard rate.
- Above 272,000 input tokens the whole request is re-priced: $8 input, $30 output, $0.8 cache read per 1M tokens.
Price a GPT-5.6 Sol call
GPT-5.6 Sol on OpenAI API, standard rate, priced now
Cache writes, batch, endpoint class and monthly volume: AI token calculator
Questions
- What does a cache read cost on GPT-5.6 Sol?
- A cache-read token on OpenAI API costs $0.400 per 1M tokens, against $4.00 for an ordinary input token. An ordinary input token costs 10 times as much. A cache write costs $5.00 (default) per 1M tokens.
- Does GPT-5.6 Sol have a batch price?
- Yes: batch: 50% below the standard rate. The batch rate applies to the whole request; the proxy prices a batch call from the same row with that factor applied.
Other models: Claude Opus 5 · Claude Sonnet 5 · Claude Haiku 4.5 · Claude Fable 5.1 · Claude Opus 4.8 · Claude Sonnet 4.6 · GPT-6 Sol · GPT-6 Luna · GPT-5.6 Terra · GPT-5.3 Codex · GPT-4o · GPT-4o mini · Gemini 3.1 Pro · Gemini 3.5 Flash · Gemini 3.8 Flash · DeepSeek V4 Pro · DeepSeek Flash · Grok 4.6 · Kimi K3