Product Releases
OpenAI GPT‑5.6 Sol Released
Thursday, July 9, 2026 · Time not confirmed
Released
Thursday, July 9, 2026
90 days ago
GPT-5.6 Sol is a flagship artificial intelligence model designed for complex professional tasks, software engineering, scientific reasoning, and cybersecurity. Positioned as the tier for demanding workloads, it operates alongside the balanced Terra model and the lightweight Luna model within the GPT-5.6 release family.
The model introduces multi-agent execution through an ultra setting, which coordinates parallel workstreams to complete complex agentic tasks faster. It also supports Programmatic Tool Calling to filter intermediate data automatically and features customizable reasoning levels ranging from none to max.
Details
- Brand / Manufacturer
- OpenAI
- Product type
- next-generation model
- Model
- GPT-5.6 Sol
- Region Availability
- Global
Release information
The public rollout follows a limited preview period and reported White House-imposed delays. API access is served through endpoints routing to either the gpt-5.6-sol model name or the primary gpt-5.6 alias.
Where to Buy
Frequently asked questions
- When does OpenAI GPT‑5.6 Sol 2026 release?
- OpenAI GPT‑5.6 Sol 2026 is scheduled to release on Thursday, July 9, 2026 (exact time not yet confirmed).
- What is the context window and output capacity for GPT-5.6 Sol?
- The model supports a context window of 1,050,000 tokens and a maximum output limit of 128,000 tokens per request.
- What is the API token pricing for GPT-5.6 Sol?
- Standard pricing is $4.00 per million input tokens, $0.40 per million cached input tokens, and $20.00 per million output tokens. Requests with input prompts exceeding 272,000 tokens incur higher rates.
- What input and output modalities are supported?
- GPT-5.6 Sol accepts both text and image inputs, and generates text outputs. Audio and video inputs or outputs are not supported.
- What is the knowledge cutoff date for this model?
- The knowledge cutoff date for GPT-5.6 Sol is February 16, 2026.
Last updated: 9/4/2026
