The Orchestrator › Models › OpenAI
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...
Specifications
| Provider | OpenAI |
| Model ID | openai/gpt-5.6-terra |
| Context window | 1.1M tokens (1,050,000) |
| Modalities | text + image + file → text |
| Tokenizer | GPT |
| Router sources | OpenRouter, TrustedRouter, Vercel AI Gateway |
| Released | 2026-07-09 |
| Tracked since | 2026-11-14 |
| Popularity | #15 by usage · peak 10.4% spend share in an OpenRouter category |
| Reasoning | On by default |
Pricing (per million tokens)
| Variant | Source | API ID | Input | Output | Context |
|---|---|---|---|---|---|
| standard | OpenRouter | openai/gpt-5.6-terra | $2.00 | $12.00 | 1.1M |
| batch | OpenRouter | openai/gpt-5.6-terra:batch | $1.00 | $6.00 | 1.1M |
| standard | TrustedRouter | openai/gpt-5.6-terra | $2.11 | $12.66 | 1.1M |
| standard | Vercel AI Gateway | openai/gpt-5.6-terra | $2.00 | $12.00 | 1.1M |
| fast | Vercel AI Gateway | openai/gpt-5.6-terra:fast | $4.00 | $24.00 | 1.1M |
| batch | Vercel AI Gateway | openai/gpt-5.6-terra:batch | $1.00 | $6.00 | 1.1M |
Recorded price history
| Date | Input / 1M | Output / 1M | Context |
|---|---|---|---|
| 2026-11-14 | $2.00 | $12.00 | 1.1M |
| 2026-11-14 | $2.11 | $12.66 | 1.1M |
| 2026-11-14 | $2.00 | $12.00 | 1.1M |
Capabilities
Vision (image input)File inputAgentic tool useStructured outputsReasoning mode1M+ context windowControllable reasoningNo content storage (attested)No training on inputs (attested)
Trust flags come from TrustedRouter's per-provider attestations.
Supported parameters
include_reasoning, max_completion_tokens, max_tokens, reasoning, reasoning_effort, response_format, seed, structured_outputs, tool_choice, tools, verbosity