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GPT-6 Sol
AvailableOpenAIProprietary
GPT-6 Sol is OpenAI's mid-priced GPT-6 model released 2026-09-22 alongside GPT-6 Luna, offering more reasoning capability than Luna while still cutting cost sharply versus prior tiers. Text and image input, text output; 1,050,000-token context window and 128,000 max output tokens. Knowledge cutoff 20 April 2026. Pricing: $2 / 1M input, $10 / 1M output. Developed with methods similar to GPT-6 Astra's; OpenAI reports GPT-6 Sol makes about half as many mistakes as GPT-5.6 Sol and outperforms its predecessor on internal benchmarks.
Specifications
- License
- Proprietary · Proprietary
- Weights
- Not released
- Architecture
- unknown
- Parameters
- Undisclosed
- Context window
- 1.1M tokens
- Max output
- 128K tokens
- Knowledge cutoff
- Apr 20, 2026
- Price (in / out, $/M)
- $2 / $10
- Modalities
- TextVisionCode
Benchmarks
No benchmark scores recorded yet. Spotted some? Submit a correction.
Vendor-reported figures are claims until independently verified. See methodology.