GPT-5.6 Luna (thinking) vs Claude 4.7 Opus

Detailed comparison of capabilities, features, and performance.

GPT-5.6 Luna (thinking)

GPT-5.6 Luna (thinking)

OpenAI
VS
Claude 4.7 Opus

Claude 4.7 Opus

Anthropic
Feature GPT-5.6 Luna (thinking) Claude 4.7 Opus
AI Lab OpenAI Anthropic
Context Size 1,050,000 tokens 200,000 tokens
Max Output Size 128,000 tokens 128,000 tokens
Frontier Model No Yes
Vision Support Yes Yes
Description GPT-5.6 Luna configured with high reasoning effort. Optimized for cost-sensitive workloads requiring deeper thinking. The latest Opus 4.7 model from Anthropic — notable improvements in software engineering, instruction following, vision (high-res up to 2576px), and memory. Same $5/$25 per MTok pricing.

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