GPT-6 Sol

GPT-6 Sol is an OpenAI model for complex coding and agentic workflows. It is part of the gpt-sol line, succeeding GPT-5.6 Sol, which was released on 2026-07-09. It has a context window of 1,050,000 tokens and a maximum output of 128,000 tokens. Weights are not open. It supports reasoning mode and tool calling, and accepts image, PDF, and text inputs, returning text. Pricing starts at $1.60 per million input tokens and $8.00 per million output tokens, with cached input at $0.16 per million tokens. Knowledge cutoff is 2026-04-20.

Against GPT-5.6 Sol: input $1.50 to $1.60, output $10.00 to $8.00, cached input $0.15 to $0.16.

Range across the hosts that serve it: up to $4.00 per 1M input tokens.

• ·1,050,000 token context window
• ·128,000 token max output
• ·Supports reasoning and tool calling
• ·Accepts image, PDF, and text inputs
• ·Served by 22 hosts

• Reach for it for complex coding tasks
• Reach for it for agentic workflows
• Reach for it for long-context analysis

22 hosts serve this model at the price above · the maker's documentation

• 8[AINews] not much happened today2026-10-04
• 8GPT-6.1 Sol (Max) Enters Agent Arena at Rank 5, Approaching Top Models at Lower Cost2026-10-03
• 8OpenAI launches GPT-6.1 Sol, says it nearly matches GPT-6 Astra and costs less2026-09-30
• 9🎙️ How I AI: Jev for beginners + I left Claude for months, Opus 5.5 brought me back + Opus 5.5 vs. GPT-6 Sol bench2026-09-29
• 8How Databricks rolls out frontier models to 12,000 employees on Day 12026-09-29
• 8Arena Review: GPT-6 Luna (Max) Ranks 23rd on Agent Arena with a Single Task Cost of Only $0.052026-09-29
• 7Arena: GPT-6 Sol (Max) Reshapes Agent Arena Pareto Frontier with +7.7% Net Improvement2026-09-26
• 8The pacing era's first launch day2026-09-24
• 8Arena Test: GPT-6 Sol (Max) Ranks 4th in Code Arena: WebDev with a Score of 16892026-09-24
• 9OpenAI's GPT-6 Sol and Luna launch at bargain prices to take on DeepSeek2026-09-23

13 signals of the archive mention this model, each scored against the published bar, the 10 most recent shown. This list is rebuilt from the archive at every build, so it cannot go stale.

The registry keeps the six most recent versions of a line. Older ones stay in the file and can be surfaced without a rebuild.

What is the context window size?

The context window is 1,050,000 tokens.

Is GPT-6 Sol open weights?

No, the weights are not open.

What input types does it accept?

It accepts image, PDF, and text inputs.