GPT 5.6 Terra
PremiumOpenAI's balanced GPT-5.6 tier — GPT-5.5-class quality for everyday work at half the price.
1M-token context with strong reasoning, coding, and tool use across general professional tasks. The default pick when you want frontier capability without flagship cost.
▼
GPT 5.6 Terra is very affordable at $2.00/M tokens input and $12.00/M tokens output. Cached input reads are priced at $0.20/M tokens, making repeated context cheaper. The model supports vision/image input, extended reasoning, a 1.1M context window.
Benchmarks
Category Rankings
Specifications
Performance
Providers
Misc
Compare with
GPT 6 Astravs GPT 5.6 TerraGPT 6.1 Sol Provs GPT 5.6 TerraGPT 6.1 Solvs GPT 5.6 TerraGPT 6 Luna Provs GPT 5.6 TerraGPT 6 Lunavs GPT 5.6 Terra
Claude Fable 5.1vs GPT 5.6 TerraClaude Opus 5.5vs GPT 5.6 TerraClaude Sonnet 5.5vs GPT 5.6 TerraClaude Haiku 5.5vs GPT 5.6 Terra
Gemini 3.8 Flashvs GPT 5.6 TerraGemini 3.5 Flash-Litevs GPT 5.6 TerraGemma 4 31Bvs GPT 5.6 Terra
Grok 4.7vs GPT 5.6 TerraGrok Build 0.1vs GPT 5.6 Terra
Muse Spark 1.3vs GPT 5.6 Terra
DeepSeek V4 Pro (0813)vs GPT 5.6 TerraDeepSeek V4.1 Flashvs GPT 5.6 Terra
MiniMax M3vs GPT 5.6 Terra
Kimi K3vs GPT 5.6 TerraKimi K2.7 Codevs GPT 5.6 Terra
GLM 5.3vs GPT 5.6 TerraGLM 5.3 Flashvs GPT 5.6 Terra
Qwen3.8 Max (0902)vs GPT 5.6 TerraQwen3 Coder Nextvs GPT 5.6 Terra
Nemotron 3 Ultravs GPT 5.6 TerraFrequently Asked Questions about GPT 5.6 Terra▼
When was GPT 5.6 Terra released?
▼
GPT 5.6 Terra was released on July 9, 2026.
Who created GPT 5.6 Terra?
▼
GPT 5.6 Terra was created by OpenAI.
How much does GPT 5.6 Terra cost?
▼
GPT 5.6 Terra costs $2.00/M input tokens and $12.00/M output tokens.
What is GPT 5.6 Terra API pricing?
▼
The GPT 5.6 Terra API is priced at $2.00 per million input tokens and $12.00 per million output tokens. You can access GPT 5.6 Terra through idapt.app alongside 200+ other AI models in one workspace.
Is GPT 5.6 Terra a reasoning model?
▼
Yes, GPT 5.6 Terra is a reasoning model. It can think step-by-step through complex problems before providing an answer, often yielding better results on difficult tasks like math, coding, and multi-step logic.
Does GPT 5.6 Terra support image or vision input?
▼
Yes, GPT 5.6 Terra supports vision/image input. You can share images in your conversation and the model will analyze and respond based on their content.
Does GPT 5.6 Terra support audio?
▼
No, GPT 5.6 Terra does not support audio input.
What is the context window of GPT 5.6 Terra?
▼
GPT 5.6 Terra has a context window of 1.1M tokens, meaning it can process approximately 787,500 words of context at once.
Is GPT 5.6 Terra open source?
▼
GPT 5.6 Terra is a proprietary model developed by OpenAI. The model weights and training data are not publicly available.
What is GPT 5.6 Terra good at?
▼
Based on benchmark data, GPT 5.6 Terra excels at: mathematical problem solving, visual analysis and image understanding. It is OpenAI's capable model suitable for a wide range of tasks.
Where can I use GPT 5.6 Terra?
▼
You can chat with GPT 5.6 Terra on idapt.app — no separate API key required. idapt is an AI workspace with 200+ models, agents, computers, and tasks. You can also access GPT 5.6 Terra through OpenAI's own API or platform.