# The Cheapest Listed Price for OpenAI's Top GPT-5.6 Model Has Halved Since Launch

Sol's lowest quoted input rate fell from $5.00 to $2.50 per million tokens, while OpenAI's July cuts took 80 percent off the cheapest tier and left Sol's official rate unchanged.

- Published: 2026-08-18T06:24:23.025Z
- Canonical: https://polylog.news/ai/2026-08-18/the-cheapest-listed-price-for-openai-s-top-gpt-5-6-model-has
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [OpenRouter (via Hacker News)](https://openrouter.ai/openai/gpt-5.6-sol), [CNBC](https://www.cnbc.com/2026/07/30/open-ai-price-cut-gpt.html), [Forbes](https://www.forbes.com/sites/rachelwells/2026/07/31/openai-cuts-gpt-56-pricing-up-to-80-as-ai-costs-come-under-scrutiny/), [Meta AI](https://ai.meta.com/blog/introducing-muse-spark-meta-model-api/)

A listing for GPT-5.6 Sol on OpenRouter circulated among developers on Sunday under the claim that the model's price had been cut in half. The underlying fact is narrower than the headline. The cheapest quoted input rate for Sol across prov…

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