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GPT-6 Sol

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openai/gpt-6-sol · by OpenAI · decoder-only-transformer

Pricing — 1 offering(s)

OpenAI

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About this offering: OpenAI's GPT-6 Sol, the middle tier of the GPT-6 family (Astra, Sol, Luna), launched 2026-09-22 at $2 input and $10 output per 1M tokens. GPT-6.1 Sol replaced it in OpenAI's recommended line-up on 2026-09-29 at the same price; GPT-6 Sol is still sold and isn't deprecated (OpenAI pricing page, checked 2026-10-11).

Input tokens

  • $2.00 / 1M tokens (input) Current 2026-09-22 → present

Output tokens

  • $10.00 / 1M tokens (output) Current 2026-09-22 → present

Cached input tokens

  • $0.20 / 1M tokens (cached input) Current 2026-09-22 → present

Cache writes

  • $2.50 / 1M tokens (cache write) Current 2026-09-22 → present

Batch

Batch input tokens

  • $1.00 / 1M tokens (input) Current 2026-11-03 → present

Batch output tokens

  • $5.00 / 1M tokens (output) Current 2026-11-03 → present

Showing the active price and any recorded history. Full pricing history is available via the paid API — see API docs.

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Capability profile

How GPT-6 Sol rates across core capability dimensions, with the task-level evidence behind each rating.

context window Strong

1,050,000-token context window, 128,000 max output tokens (developers.openai.com/api/docs/models/gpt-6-sol).

tool use Strong

OpenAI API docs: supports Functions, Web search, File search, Computer use.

cost efficiency Moderate

Middle tier of the GPT-6 family ($2/$10 per 1M tokens, Standard, short context): one fifth of Astra, 20x Luna.

Ratings are estimated — limited independent data is available for this model.

Operator guidance

Middle tier of GPT-6, launched 2026-09-22. OpenAI positions it for balancing intelligence and cost. Step up to GPT-6 Astra for the hardest end-to-end work, or down to GPT-6 Luna for cost-sensitive, high-volume workloads.

Use cases

Limitations

Citations