Claude Sonnet 4.6 vs GPT-5.4

Anthropic vs OpenAI — compared on intelligence, speed, and capabilities.

	Claude Sonnet 4.6	GPT-5.4
Intelligence	92	94
Speed	82	87

Claude Sonnet 4.6

Anthropic's advanced Claude 4.6 Sonnet model optimized for coding, complex reasoning, and agentic task execution.

✓ reasoning
✓ temperature
✓ web search
✓ reasoning effort
✓ vision
✓ documents

OpenAI's frontier model for complex professional work. The first mainline reasoning model incorporating GPT-5.3-Codex capabilities, with native computer use, 1M context, and state-of-the-art token efficiency.

✓ reasoning
✓ web search
✓ reasoning effort
✓ vision
✓ documents
✓ image generation

Run the same prompt on both, side by side

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