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GPT-5.6 Terra

Model ● Covered in 13 stories Compare ⇄ + Follow

GPT-5.6 Terra is a general-purpose production model in OpenAI's GPT-5.6 family, positioned between the reasoning-focused Sol and the cost-optimized Luna. Since its release, Terra has seen a 20% price reduction to $2 per million input tokens and $12 per million output tokens as enterprises grew cost-sensitive, and is now available on Amazon Bedrock with prompt caching features offering 90% discounts on cached inputs.

Updated 3 August 2026

Specifications

No specifications recorded yet.

Latest developments

OpenAI cuts prices for two of its GPT-5.6 AI models as companies grow sensitive to costs TLDR · 3 days ago · 7 Advancing the price-performance frontier with GPT‑5.6 Simon Willison · 3 days ago · 16 Chinese AI competitors may have forced OpenAI’s hand on pricing The New Stack · 3 days ago · 3 Introducing explicit prompt caching for OpenAI GPT-5.6 models on Amazon Bedrock AWS Machine Learning · 3 days ago · 26 Get started with OpenAI GPT-5.6 Sol, Terra, and Luna on Amazon Bedrock AWS Machine Learning · 1 week ago · 46 Are AI labs pelicanmaxxing? Simon Willison · 1 week ago · 44 [AINews] not much happened today Latent Space · 2 weeks ago · 7 OpenAI’s GPT-5.6 Family, New Ways to Train Robots, Models Invoking Models The Batch · 29

Timeline

Month Quarter Year

2026

Amazon Bedrock adds advanced prompt optimization and explicit prompt caching features Feature update

OpenAI releases GPT-5.6 model family with efficiency improvements and significant price reductions Model release

Study finds no evidence of AI labs optimizing models for pelican-on-bicycle image generation Research publication

Moonshot AI releases Kimi K3, a 2.8 trillion parameter open-weight model achieving frontier-class performance Open source release

OpenAI releases GPT-5.6 family of models (Sol, Terra, Luna) with general availability on Amazon Bedrock Model release

OpenAI releases GPT-5.6 model family with three tiers (Luna, Terra, Sol) and new multi-agent capabilities Model release

OpenAI releases GPT-5.6 model family with improved efficiency and reasoning capabilities Model release

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