GPT-5.6 Terra — pricing & specs
GPT-5.6 Terra is a balanced model from OpenAI, at capability tier 6 of 8. Live $/M-token pricing and specs from the Mintok catalog, as of 2026-09-30.
$/M-token pricing
as of 2026-09-30 · OpenAIWhat GPT-5.6 Terra costs in practice
At $12/M output tokens, GPT-5.6 Terra is the 5th-cheapest of 8 priced tier-6 models in the Mintok catalog — about 20% above the tier median of $10/M.
| Scenario | Est. cost |
|---|---|
| 1M input + 1M output tokens | $14.00 |
| A 10K-token request (8K in / 2K out) | $0.040 |
| 1,000 agent runs (~2K in / 500 out each) | $10.00 |
| 1M-token RAG chat session (900K cached in / 100K out) | $1.38 |
Estimated from list price (as of 2026-09-30) at the token mixes shown; your real cost depends on prompt/response length and cache hit-rate. Model your own volume →
Specifications
- Vendor
- OpenAI
- Family
- GPT- Terra
- Capability tier
- 6 / 8
- Size class
- BALANCED
- Category
- GENERAL
- Context window
- 1,050,000 tokens
- Licensing
- Proprietary
Alternatives at tier 6
Same capability tier, sorted by output price — the cheaper-capable options.
- DeepSeek V4 ProDeepSeek$1.98/M out
- Qwen3.7 MaxAlibaba$3.75/M out
- Grok 4.5xAI$6/M out
- Claude Sonnet 5Anthropic$10/M out
- GPT-5.2OpenAI$14/M out
- Claude Sonnet 4.6Anthropic$15/M out
FAQ
How much does GPT-5.6 Terra cost per token?
GPT-5.6 Terra costs $2 per million input tokens and $12 per million output tokens (cached input $0.20/M), via OpenAI, as of 2026-09-30.
Is GPT-5.6 Terra expensive?
At $12/M output tokens, GPT-5.6 Terra is the 5th-cheapest of 8 priced tier-6 models in the Mintok catalog — about 20% above the tier median of $10/M.
What does a typical request with GPT-5.6 Terra cost?
At list price, a 10K-token request (8K in / 2K out) with GPT-5.6 Terra costs about $0.040, and 1,000 agent runs (~2K in / 500 out each) about $10.00.
What is GPT-5.6 Terra's context window?
GPT-5.6 Terra supports a 1,050,000-token context window.
What capability tier is GPT-5.6 Terra?
GPT-5.6 Terra sits at capability tier 6 of 8 on the Mintok scale (BALANCED size class).
Is GPT-5.6 Terra open-source or proprietary?
GPT-5.6 Terra is a proprietary model from OpenAI, accessed via API.
Put GPT-5.6 Terra to work
Benchmark it on your prompts, or size a deployment and compare $/M-token against alternatives.
Pricing and specs are maintained by Mintok's catalog watchers from public sources. Not investment advice. Methodology.