GPT-6 Sol

Q: What is the API model name for GPT-6 Sol?

Use gpt-6-sol in API calls to OpenAI. The context window is 1.05M tokens, and a response can run to 128,000 output tokens.

GPT-6 Sol API cost is $2 per million input tokens and $10 per million output tokens.

Provider: OpenAI
API model name: gpt-6-sol
Status: Previous generation
Input, $ per 1M tokens: $2.00
Cached input, $ per 1M tokens: $0.20
Output, $ per 1M tokens: $10.00
Sample request (10K in, 2K out), $: $0.04
Context window, tokens: 1.05M
Price checked on: October 27, 2026
Official pricing page: developers.openai.com

These are standard rates on OpenAI’s own API. Cached input is billed at $0.20 per million tokens. A request with 10,000 input tokens and 2,000 output tokens costs about $0.04 before caching or batch discounts. The API model name is gpt-6-sol, and the context window is 1.05M tokens. Within OpenAI’s current lineup, GPT-6 Luna handles the same request for about $0.002.

Cache writes, $ per 1M tokens: $2.50
Max output, tokens: 128K
Input types: Text, image, file
Open weights: No
Long-context pricing: $4 input, $0.40 cached input, $5 cache writes, $15 output
Batch pricing: 50% off standard rates
Pricing notes: OpenAI released GPT-6.1 Sol as its upgrade on September 29, 2026, at the same input and output rates with cheaper cached input.
Sources: Page URL Checked
OpenAI API pricing https://developers.openai.com/api/docs/pricing 2026-10-21
OpenAI GPT-6 Sol model page (prices) https://developers.openai.com/api/docs/models/gpt-6-sol 2026-09-30
OpenRouter model listing (context and output limits) https://openrouter.ai/models 2026-09-29

Page	URL	Checked
OpenAI API pricing	https://developers.openai.com/api/docs/pricing	2026-10-21
OpenAI GPT-6 Sol model page (prices)	https://developers.openai.com/api/docs/models/gpt-6-sol	2026-09-30
OpenRouter model listing (context and output limits)	https://openrouter.ai/models	2026-09-29

Questions

How much does the GPT-6 Sol API cost?

GPT-6 Sol costs $2 per million input tokens and $10 per million output tokens on OpenAI’s own API. Cached input costs $0.20 per million tokens.

What is the API model name for GPT-6 Sol?

Use gpt-6-sol in API calls to OpenAI. The context window is 1.05M tokens, and a response can run to 128,000 output tokens.

What does one GPT-6 Sol request cost?

A request with 10,000 input tokens and 2,000 output tokens costs about $0.04 at standard rates, before caching or batch discounts. Batch requests get 50% off standard rates.

Does GPT-6 Sol cost more for long prompts?

Yes. OpenAI lists long-context rates per million tokens: $4 input, $0.40 cached input, $5 cache writes, $15 output.

Sources

Prices are read from each provider’s official pricing page: OpenAI, Anthropic, Google Gemini API, xAI, DeepSeek and Mistral AI. Context and output limits that a provider does not publish come from OpenRouter’s model listing. Each model’s Sources field lists the pages used and the date each was checked. How we check prices · Price change log