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Model comparison Synced Apr 6, 2026

Anthropic: Claude Opus 4.6 vs OpenAI: o1

Side-by-side comparison of Anthropic: Claude Opus 4.6 and OpenAI: o1. Compare pricing, context window, capabilities, and find out which is better for your workflow.

Verdict

strong confidence

Anthropic: Claude Opus 4.6 leads overall

Anthropic: Claude Opus 4.6 leads in price and context window and max output, making it the stronger choice for most workflows. OpenAI: o1 remains a solid alternative depending on your specific needs.

Best for with Anthropic: Claude Opus 4.6

Budget-conscious workflowsLong document processingLong-form content generation

Best for with OpenAI: o1

No clear advantages identified

Side-by-side

Technical specifications

Anthropic: Claude Opus 4.6 OpenAI: o1
Provider Anthropic OpenAI
Input price $5/M $15/M
Output price $25/M $60/M
Context window 1.0M 200K
Max output 128K 100K
Capabilities
Tool useVisionReasoning
Tool useVisionReasoning
Released Feb 4, 2026 Dec 17, 2024

Scoring breakdown

How each dimension compares

Price

Anthropic: Claude Opus 4.6 leads

Anthropic: Claude Opus 4.6

$25/M tokens

OpenAI: o1

$60/M tokens

Context Window

Anthropic: Claude Opus 4.6 leads

Anthropic: Claude Opus 4.6

1.0M tokens

OpenAI: o1

200K tokens

Capabilities

Anthropic: Claude Opus 4.6

3/4

OpenAI: o1

3/4

Max Output

Anthropic: Claude Opus 4.6 leads

Anthropic: Claude Opus 4.6

128K tokens

OpenAI: o1

100K tokens

Recency

Anthropic: Claude Opus 4.6

Feb 2026

OpenAI: o1

Dec 2024

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