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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...

OpenAI GPT-5.6 Terra costs $2.00 per 1M input tokens and $12.00 per 1M output tokens at the standard tier, the lowest default-region price among the 3 providers SF·SIX tracks, from OpenAI. Cached input reads cost $0.20 per 1M tokens. Updated ; prices checked .

Checked · Source: OpenRouter · Methodology

Developer
OpenAI
Input modalities
file, image, text
Output modalities
text
Context tokens
1,050,000
Latest price observation
2026-10-17
Lowest paired standard token quote
$2.00 input / $12.00 output per 1M tokens

Dated price and provider records

Dated price and provider records
Provider and channelInputOutput or native rateUnit and statusSource and observation
AzureOpenRouter$2.00$12.001M tokenspriced · USDOpenRouter2026-10-17
OpenAIOpenRouter$2.00$12.001M tokenspriced · USDOpenRouter2026-10-17
Amazon BedrockOpenRouter · us-east-1 region$2.20$13.201M tokenspriced · USDOpenRouter2026-10-17
AzureOpenRouter · EU region$2.20$13.201M tokenspriced · USDOpenRouter2026-10-17
AzureOpenRouter · US region$2.20$13.201M tokenspriced · USDOpenRouter2026-10-17
OpenAIOpenRouter · Fast tier$4.00$24.001M tokenspriced · USDOpenRouter2026-10-17
OpenAIOpenRouter · Flex tier$1.00$6.001M tokenspriced · USDOpenRouter2026-10-17

Batch and free variants

These are dated, non-executable observations. Verify the exact endpoint, price and terms with the source before use. Unknown values are not free.

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