GPT-5.6 Terra
As of Oct 4, 2026, the cheapest GPT-5.6 Terra API price is $1.5 per 1M input tokens (Xpersona) and $2 per 1M output tokens (Xpersona). GPT-5.6 Terra is offered by 38 providers in the gpt-terra family, reasoning enabled. OpenAI's own rate is $12 per 1M output tokens. One provider lists it as a free-tier offer. It is also included in 4 flat-rate subscription plans, GitHub Copilot Pro from $10/mo.
API pricing by provider
Metered per-token prices. Cheapest input and output are highlighted; † marks a context-tier surcharge. How prices are ranked.
| Xpersona | Cheapest$1.5 | Cheapest$2 | $0.15 | — | 372k |
| routing.run | $1.5 | $9 | — | — | 1.0M |
 302.AI | $2 | $12 | — | — | 1.1M |
| Amazon Bedrockglobal | †$2 | $12 | $0.2 | $2.5 | 1.1M |
| Azure | †$2 | $12 | $0.2 | $2.5 | 1.1M |
| Cloudflare AI Gateway | $2 | $12 | $0.2 | $2.5 | 1.1M |
| CrossModel | †$2 | $12 | $0.2 | $2.5 | 1.1M |
| DigitalOcean | †$2 | $12 | $0.2 | — | 1.1M |
| Eden AI | †$2 | $12 | $0.2 | $2.5 | 1.1M |
| Impossibl | †$2 | $12 | $0.2 | $2.5 | 1.1M |
| Kilo Gateway | $2 | $12 | $0.2 | $2.5 | 1.1M |
| Kilo Gateway | $2 | $12 | $0.2 | $2.5 | 1.1M |
| DevPass (LLM Gateway) | $2 | $12 | $0.2 | $2.5 | 1.1M |
| LLM Gateway | $2 | $12 | $0.2 | $2.5 | 1.1M |
| LLM Gateway | $2 | $12 | $0.2 | $2.5 | 1.1M |
| Merge Gateway | $2 | $12 | $0.2 | $2.5 | 1.1M |
| NanoGPT | $2 | $12 | $0.2 | $2.5 | 1.1M |
| Neon | †$2 | $12 | $0.2 | $2.5 | 1.1M |
| Ofox | $2 | $12 | $0.2 | $2.5 | 1.1M |
| OpenAI | †$2 | $12 | $0.2 | $2.5 | 1.1M |
| OpenRouter | †$2 | $12 | $0.2 | $2.5 | 1.1M |
| Opper | †$2 | $12 | $0.2 | $2.5 | 1.0M |
| OrcaRouter | $2 | $12 | $0.2 | $2.5 | 1.1M |
| Requesty | †$2 | $12 | $0.2 | $2.5 | 1.1M |
| Vercel AI Gateway | †$2 | $12 | $0.2 | $2.5 | 1.1M |
| Cortecs | $2.2 | $13.199 | $0.219 | $2.749 | 1.1M |
| Amazon Bedrockindia | †$2.2 | $13.2 | $0.22 | $2.75 | 1.1M |
| Amazon Bedrock | †$2.2 | $13.2 | $0.22 | $2.75 | 1.1M |
| Amazon Bedrockus | †$2.2 | $13.2 | $0.22 | $2.75 | 1.1M |
| Requestyeu | †$2.2 | $13.2 | $0.22 | $2.75 | 1.1M |
| Abacus | $2.5 | $15 | $0.25 | — | 1.0M |
| AI-ROUTER | $2.5 | $15 | $0.25 | $3.125 | 1.1M |
| AIHubMix | $2.5 | $15 | $0.25 | $3.125 | 1.1M |
| Azure Cognitive Services | †$2.5 | $15 | $0.25 | $3.125 | 1.1M |
| Databricks | †$2.5 | $15 | $0.25 | — | 1.1M |
| OpenCode Zen | †$2.5 | $15 | $0.25 | $3.125 | 1.1M |
| Pioneer | $2.5 | $15 | $0.25 | $3.125 | 1.1M |
| SAP AI Core | †$2.5 | $15 | $0.25 | — | 1.1M |
| Venice AI | †$2.5 | $15 | $0.25 | $3.125 | 1.0M |
| Vivgrid | $2.5 | $15 | $0.25 | $3.125 | 1.1M |
| ZenMux | †$2.5 | $15 | $0.25 | $3.125 | 1.1M |
| Kenarifree | free | free | — | — | 1.1M |
Subscription plans (not per-token)
Billed per month, not per token — never counted as the cheapest offer.
| GitHub Copilotplan | $2 | $12 | 1.1M |
GPT-5.6 Terra pricing FAQ
What is the cheapest GPT-5.6 Terra API?
As of Oct 4, 2026, Xpersona has the lowest GPT-5.6 Terra output price at $2 per 1M tokens, and Xpersona has the lowest input price at $1.5 per 1M tokens. Prices are metered per-token rates in USD; free tiers and subscription plans are excluded.
How much does GPT-5.6 Terra cost on OpenAI?
OpenAI charges $2 per 1M input tokens and $12 per 1M output tokens for GPT-5.6 Terra.
How many providers offer GPT-5.6 Terra?
38 providers list GPT-5.6 Terra on Sovyron; 41 of them sell it at a metered per-token price.
Is GPT-5.6 Terra free?
1 provider(s) list a free-tier offer: Kenari. Free tiers usually have rate limits.
Is GPT-5.6 Terra included in a subscription plan?
Yes. 4 flat-rate plan(s) include it; the cheapest is GitHub Copilot Pro at $10/month.
What is the context window of GPT-5.6 Terra?
GPT-5.6 Terra supports a 1.1M-token context window and up to 128k output tokens.
Token cost calculator
What a month costs at one provider's published rates. Enter the tokens you expect to send and receive; cached tokens use the cached-input price where the provider lists one, and count as ordinary input where it does not.
Estimated
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