OpenAI · Shipped
GPT-5.6 release date
Released
Jul 9, 2026
What we know
Focuses on efficiency improvements across inference and agentic workflows. Positioned as delivering frontier-level intelligence with improved cost-efficiency.
Spec
- Params
- Not stated
- Active
- Not stated
- Context
- Not stated
- Weights
- Closed
- Modality
- omni
- Codename
- Sol / Terra
Every claim
9 from 2 sources- OpenAI NewsFrom the labOct 2
Chatham Financial uses GPT-5.6 for capital markets technology, reducing trade validation time.
- OpenAI NewsFrom the labSep 24
GPT-5.6 is in use powering customer service agents for Ringg with multilingual capabilities.
- OpenAI NewsFrom the labSep 21
GPT-5.6 is used to power V7, a product that gives AI agents institutional memory through company files.
- OpenAI NewsFrom the labAug 24
GPT-5.6 is now available in Kiro for software development tasks.
- OpenAI NewsFrom the labAug 13
OpenAI published a builder's guide to GPT-5.6, indicating the model is available for use.
- TechmemeSpotted in the wildAug 13
GPT-5.6 was used to help solve Crouzeix's conjecture in numerical linear algebra.
- OpenAI NewsFrom the labJul 30
OpenAI announces GPT-5.6 with pricing updates for Luna and Terra variants.
- OpenAI NewsFrom the labJul 29
OpenAI announces GPT-5.6, combining frontier intelligence with efficiency improvements across models and inference.
- OpenAI NewsFrom the labJul 9
OpenAI announces GPT-5.6, describing it as frontier intelligence with improved efficiency and capability.