GPT-5.4 mini vs Claude 4.6 Opus Max

Detailed comparison of capabilities, features, and performance.

GPT-5.4 mini

GPT-5.4 mini

OpenAI
VS
Claude 4.6 Opus Max

Claude 4.6 Opus Max

Anthropic
Feature GPT-5.4 mini Claude 4.6 Opus Max
AI Lab OpenAI Anthropic
Context Size 400,000 tokens 1,000,000 tokens
Max Output Size 128,000 tokens 125,000 tokens
Frontier Model No Yes
Vision Support Yes Yes
Description Our strongest mini model yet for coding, computer use, and subagents. Brings the strengths of GPT-5.4 to a faster, more efficient model designed for high-volume workloads. The latest Opus 4.6 model from Anthropic with effort set to max for highest reasoning and creativity, ideal for complex agentic tasks

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