# GPT-5.6 Sol Fast

GPT-5.6 Sol Fast is a model from OpenAI. Release date unknown. Pricing is $8.00 per million input tokens and $40.00 per million output tokens.

- Developer: OpenAI
- Id: openai/gpt-5.6-sol-fast
- Status: API availability
- Canonical: https://alexgetman.com/models/openai/gpt-5-6-sol-fast/

## Questions

### How much does GPT-5.6 Sol Fast cost?

Pricing is $8.00 per million input tokens and $40.00 per million output tokens. Cached input is $0.80 per million.

### When was GPT-5.6 Sol Fast released?

Release date unknown

## Evidence links

- [models.dev · catalogue](https://models.dev/#gpt-5.6-sol-fast)
- [Vercel AI Gateway](https://vercel.com/ai-gateway)
- [review](https://vercel.com/ai-gateway/models/gpt-5.6-sol-fast)

## Signals

- [GPT-5.6 Sol Fast spotted on Vercel AI Gateway](https://alexgetman.com/signals/2026/09/19/gpt-5-6-sol-fast/)