GPT-6.1 Sol is a large language model from OpenAI, released on September 29, 2026. It accepts text and image input.

When was GPT-6.1 Sol released?

OpenAI released GPT-6.1 Sol on September 29, 2026.

How much does GPT-6.1 Sol cost?

GPT-6.1 Sol costs $2 per 1M input tokens and $10 per 1M output tokens through the OpenAI API. Cached input costs $0.10 per 1M tokens. Prices are from OpenAI's official pricing as of September 29, 2026.

What is GPT-6.1 Sol's context window?

GPT-6.1 Sol has a 1,050K-token context window and can generate up to 128K output tokens.

GPT-6.1 Sol

OpenAI·Operational·Released 2026-09-29textvision

Context1,050k

Max output128k

Input / 1M$2 ↗

Output / 1M$10 ↗

Cached in$0.1

Benchmarks0

Benchmarks

Cited public sources · rank is exact-benchmark, apples-to-apples

No cited benchmarks yet.

Compare

vs Gemini 4 Argon vs Claude Sonnet 5.5 vs Muse Spark 1.3 vs GPT-6 Sol vs GPT-6 Luna vs Claude Opus 5.5 vs GPT-6 Astra vs GPT-5.6 Sol

More from OpenAI

GPT-6 Sol GPT-6 Luna GPT-6 Astra GPT-5.6 Sol GPT-5.6 Terra GPT-5.6 Luna

GPT-6.1 Sol FAQ

What is GPT-6.1 Sol?: GPT-6.1 Sol is a large language model from OpenAI, released on September 29, 2026. It accepts text and image input.
When was GPT-6.1 Sol released?: OpenAI released GPT-6.1 Sol on September 29, 2026.
How much does GPT-6.1 Sol cost?: GPT-6.1 Sol costs $2 per 1M input tokens and $10 per 1M output tokens through the OpenAI API. Cached input costs $0.10 per 1M tokens. Prices are from OpenAI's official pricing as of September 29, 2026.
What is GPT-6.1 Sol's context window?: GPT-6.1 Sol has a 1,050K-token context window and can generate up to 128K output tokens.

Access GPT-6.1 Sol and every other model through one endpoint with automatic failover: Respan gateway.