GPT-5.6 Terra (batch)
ModelActiveby OpenAI · family “gpt-terra-batch”
GPT-5.6 Terra is a balanced model in OpenAI's GPT-5.6 series, positioned between the flagship Sol tier and the cost-efficient Luna tier. It is suited for everyday coding, reasoning, and agentic... (description from the OpenRouter listing)
in: filein: imagein: textout: textReasoningTool useStructured output
Epoch Capabilities Index
Not scored by Epoch AI
Released
9 Jul 2026
Context window
1.05M tokens
Max output
128K tokens
Input $ / 1M tokens
$1.00
Output $ / 1M tokens
$6.00
Cached input $ / 1M
$0.10
Each benchmark shown separately with its own source
Benchmark results (0)
No benchmark results recorded for this model.
Source: Epoch AI Benchmarking Hub (CC BY 4.0). “External” rows are leaderboard results Epoch collects from third parties. Best reported setting per benchmark is shown.
API list price over time
Price history
$ per 1M tokens
2 recorded prices on 2 Sep 2026 (OpenRouter listing + Internet Archive snapshots); re-read on every data refresh, most recently 9h ago. Steps show when the price changed.
Events
- Model launchMajorOpenAI releases GPT-5.6 Terra (batch)OpenRouter models API