OpenAIReleased on Jul 9, 2026

GPT-5.6 Terra: Benchmarks, Pricing & Context Window

GPT-5.6 Terra is a language model from OpenAI, released in July 2026, with multimodal input.

GPT-5.6 Terra is the balanced tier of OpenAI's GPT-5.6 family, designed for workloads that balance intelligence and cost. It delivers performance competitive with GPT-5.5 at roughly half the price, supports max reasoning effort, and has a

Input
TextImage
Output
Text
Speed
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Cost
$3.89/ 1M · 8:1 in:out
$2.50 in · $15.0 out

GPT-5.6 Terra pricing

Providers

GPT-5.6 Terra starts at $2.50 per million input tokens and $15.00 per million output tokens via OpenAI.

ProviderInput $/MOutput $/MMax InputMax OutputLatency p95 sThroughput P95QuantInputOutput
OpenAI logoOpenAI
$2.50$15.001.1M128.0K
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GPT-5.6 Terra API

API access coming soon

GPT-5.6 Terra will be available through our gateway shortly.

GPT-5.6 Terra examples

Recent arena outputs from GPT-5.6 Terra, picked from the highest-ranked matchups.

GPT-5.6 Terra license

GPT-5.6 Terra is released under the Proprietary license, which restricts commercial use, has a knowledge cutoff of February 2026.

License
Proprietary
Non-commercial
Knowledge cutoff
February 2026

Proprietary license - usage restrictions apply

FAQ

Common questions about GPT-5.6 Terra.

When was GPT-5.6 Terra released?

GPT-5.6 Terra was released on July 9, 2026 by OpenAI. This is the official GPT-5.6 Terra release date tracked on LLM Stats.

Is GPT-5.6 Terra available via API?

Yes, GPT-5.6 Terra is available via API. See the official documentation for authentication and endpoint details. It is served by 1 provider tracked on LLM Stats.

Who created GPT-5.6 Terra?

GPT-5.6 Terra was created by OpenAI.

What is the license for GPT-5.6 Terra?

GPT-5.6 Terra is released under the Proprietary license.

What is the knowledge cutoff date for GPT-5.6 Terra?

GPT-5.6 Terra has a knowledge cutoff of February 2026, meaning it was trained on data up to that point and may not know about events after it.

Is GPT-5.6 Terra multimodal?

Yes, GPT-5.6 Terra is multimodal and can accept both text and images as input.

Where can I use GPT-5.6 Terra?

GPT-5.6 Terra is available through 1 provider including OpenAI.

Where is the GPT-5.6 Terra paper or technical report?

GPT-5.6 Terra has a paper or technical report available at https://openai.com/index/gpt-5-6/. Use that source for architecture, training, release and evaluation details.