GPT-5.6 Terra
View website
Released July 2026 as the balanced mid-tier of the GPT-5.6 family, positioned by OpenAI as the default for high-volume production workloads. Surpasses GPT-5.5's peak scores on OSWorld and BrowseComp at lower cost.
At a glance
- Context window
- 1M tokens
- Max output
- 128K tokens
- Knowledge cutoff
- Feb 2026
- Modalities
- Text Text Image Image → Text Text
Capabilities
Function calling
Connect to external tools, APIs, and systems.
Structured output
Return responses in structured formats like JSON.
Web search
Search the web for up-to-date information.
Code execution
Write and execute code in a sandboxed environment.
File upload
Process uploaded documents, spreadsheets, and other files.
MCP
Connect to services via Model Context Protocol.
Image generation
Generate and edit images from text prompts.
Pricing by provider
| Provider | Input / 1M tokens | Output / 1M tokens | |
|---|---|---|---|
|
OpenAI
|
$2.50 | $15.00 |
Heads up: We do our best to keep these specs & prices accurate. However, cloud costs may fluctuate based on region, usage, and other factors not listed here. These are estimates based on common setups and are for informational purposes only. Always verify current rates & exact specs with the provider before provisioning.
Compare with other models
Estimated prices shown. Actual costs may vary based on context length, batch size, caching, and provider-specific pricing tiers.