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GPT-5.6 Terra
openai/gpt-5.6-terra
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...
Modalities
File
Image
Text
In / Out price
$2.50 / $15.00 per 1M
Context
1.05M · 128K out
Released
Jul 9, 2026
Providers
Live list prices and uptime across 5 providers serving this model.
| Provider | Input /M | Output /M | Cache read /M | Context | Max output | Uptime 24h |
|---|---|---|---|---|---|---|
| OpenAI | $1.25 | $7.50 | $0.125 | 1.05M | 128K | 99.46% |
| OpenAI | $0.625 | $3.75 | $0.063 | 1.05M | 128K | 99.46% |
| OpenAI | $2.50 | $15.00 | $0.25 | 1.05M | 128K | 99.46% |
| Azure | $2.50 | $15.00 | $0.25 | 1.05M | 128K | 99.96% |
| Azure | $2.75 | $16.50 | $0.275 | 1.05M | 128K | 100.00% |
No implicit prompt caching; cache reads require explicit cache control.
Capabilities
Tool calling
Reasoning
Moderated
include_reasoning
max_completion_tokens
max_tokens
reasoning
reasoning_effort
response_format
seed
structured_outputs
tool_choice
Pricing detail
- Input
- $2.50
- Output
- $15.00
- Cache read
- $0.25
- Cache write
- $3.125
USD per 1M tokens.