GPT-5.6 terra pro

OpenAI1.05M context

Open weightsVisionReasoningTool calling
Lowest · Prime Intellect
$2.50 / $15.00
per 1M in / outPricing page

As of Oct 29, 2026, GPT-5.6 terra pro costs $2.50 per million input tokens and $15.00 per million output tokens from Prime Intellect. The cheapest of 3 providers is Prime Intellect at $2.50 / $15.00. No price change since Appndo started tracking it on Oct 19, 2026. Recent price changes

Providers (3)

Sorted by your monthly estimate. Prices per million tokens. Prime Intellect also lists up to 128K output tokens per request.

  • Input / output
    $2.00 / $12.00
    Context
    1.05M
    Per month
    $44.00¹

    openai/gpt-5.6-terra-pro

  • Prime IntellectCheapest

    Input / output
    $2.50 / $15.00
    Context
    1.05M
    Per month
    $55.00

    openai/gpt-5.6-terra-pro

  • Input / output
    $2.70 / $16.20
    Context
    1.05M
    Per month
    $59.40

    kyma/gpt-5.6-terra-pro

Cloud and hosted providers may add regional pricing, minimums or platform fees. Supports: Vision, Reasoning, Tool calling.

Similar models

Common questions

How much does the GPT-5.6 terra pro API cost?

As of Oct 29, 2026, GPT-5.6 terra pro costs $2.50 per million input tokens and $15.00 per million output tokens from Prime Intellect.

Where is GPT-5.6 terra pro cheapest?

As of Oct 29, 2026, the cheapest of 3 providers is Prime Intellect at $2.50 per million input tokens and $15.00 per million output tokens. Appndo lists no official price from OpenAI.

What is the context length of GPT-5.6 terra pro?

GPT-5.6 terra pro takes up to 1.05M tokens of context at Prime Intellect.

How does GPT-5.6 terra pro compare with similar models?

GPT-5.6 terra pro has no LMArena score yet. Other OpenAI models and their cheapest price per million input / output tokens: gpt-oss-120b ($0.03 / $0.17), GPT-6 astra ($10.00 / $50.00), and GPT-6 luna ($0.10 / $0.50).

About this data

Prices come from LiteLLM's model cost map, with more providers from models.dev (both MIT licence), checked Oct 29, 2026; confirm on the provider's pricing page before you rely on a number.