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GPT-5.6 Terra

New
OpenAIAll OpenAI models

Input

$2.50

USD / 1M tokens

Output

$15.00

USD / 1M tokens

Released

2026-07-09

Positioning: Balanced. Price level 3 of 4 among text models.

Balanced GPT-5.6 tier for support, internal tools, and document analysis at volume. GPT-5.6 Terra is an OpenAI text model on ATP Token, billed per 1M input and output tokens.

ThinkingToolsVision
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Pricing

Pay for what you use: credits are deducted only when a request succeeds.
Prices in USD · $1 = 100 credits
Input
$2.50
Output
$15.00
USD / 1M tokens

OpenAI · Family · USD / 1M tokens

Text models from the same vendor on ATP. Bars fill up to the family's highest price.
All OpenAI models
ModelInputOutput
GPT-5.4 Progpt-5.4-pro$30.00$180.00
GPT-5.5gpt-5.5$5.00$30.00
GPT-5.6 Solgpt-5.6-sol$5.00$30.00
GPT-5.4gpt-5.4$2.50$15.00
GPT-5.6 Terra This pagegpt-5.6-terra$2.50$15.00
GPT-5.6 Lunagpt-5.6-luna$1.00$6.00

Cost per 1,000 typical requests

A quick estimate with fixed token counts per request. No caching, no retries. Try the estimator with your own numbers.
WorkloadUSD / 1,000
Short chat turn800 / 400$8.00
RAG answer4,000 / 500$17.50
Agent step with tools20,000 / 1,500$72.50

Benchmarks

Vendor-reported
  • SWE-Bench Pro63.4%

    GPT-5.6 launch eval table (single-agent column, not Ultra); reasoning effort not stated for the table

    OpenAI
  • Terminal-Bench 2.187.4%

    GPT-5.6 launch eval table (single-agent column, not Ultra); reasoning effort not stated for the table

    OpenAI
  • BrowseComp87.5%

    GPT-5.6 launch eval table (single-agent column, not Ultra); reasoning effort not stated for the table

    OpenAI
  • OSWorld 2.050.2%

    GPT-5.6 launch eval table (single-agent column, not Ultra); reasoning effort not stated for the table

    OpenAI

Scores as published by each vendor, not measured by ATP. Test conditions vary, so they are not directly comparable across vendors.

Same controls on every model: project keys, per-project model access, credit budgets, and a log of every request.Set up your organization

Cost estimator

Plug in your usage to see roughly what a month costs.
0200
0100
ESTIMATE
$55.00
USD / month
5,500 credits / month
  • Input$25.00
  • Output$30.00

$55.00 USD / month · 5,500 credits / month

An estimate at our USD prices (USD 1 = 100 credits). What each request actually cost shows up in your console's request log.

Quickstart

Keep your SDK. Point it at ATP and use a project key. Read the docs
quickstart.py · OpenAI SDK
from openai import OpenAI

client = OpenAI(
  base_url="https://api.atptoken.ai/v1",
  api_key="atp-•••"
)

r = client.chat.completions.create(
  model="gpt-5.6-terra",
  messages=[{"role":"user","content":"hi"}],
)

Compare with similar models

Same type and positioning, from other vendors, closest in price first.
Compare side by side

Related models

All OpenAI models
GPT-5.4 Progpt-5.4-pro$30.00 / $180.00In / out · per 1M tokensGPT-5.6 Solgpt-5.6-sol$5.00 / $30.00In / out · per 1M tokensGPT-5.5gpt-5.5$5.00 / $30.00In / out · per 1M tokensGPT-5.4gpt-5.4$2.50 / $15.00In / out · per 1M tokensGPT-5.6 Lunagpt-5.6-luna$1.00 / $6.00In / out · per 1M tokensText Embedding 3 Largetext-embedding-3-large$0.143 / 1M in

FAQ

3
Can GPT-5.6 Terra use tools, read images, or think before answering?
GPT-5.6 Terra supports tool calling, vision input and extended thinking, but not audio.
How is GPT-5.6 Terra priced?
You pay per 1M input tokens and per 1M output tokens. You only pay when a request succeeds. $1 = 100 credits. See pricing
How do I call GPT-5.6 Terra on ATP?
Create a project API key and point any OpenAI-compatible SDK at https://api.atptoken.ai/v1. Set model to "gpt-5.6-terra" (the API id, not the display name). Make sure the model is turned on for your project.
Get started

Start with $5. Credits never expire.

Create a project key, turn this model on, and pay only for what you use.

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