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Model comparison Synced Apr 5, 2026

Anthropic: Claude 3.5 Sonnet vs OpenAI: o1

Side-by-side comparison of Anthropic: Claude 3.5 Sonnet and OpenAI: o1. Compare pricing, context window, capabilities, and find out which is better for your workflow.

Verdict

strong confidence

OpenAI: o1 leads overall

OpenAI: o1 leads in capabilities and max output, making it the stronger choice for most workflows. Anthropic: Claude 3.5 Sonnet remains competitive with advantages in price.

Best for with Anthropic: Claude 3.5 Sonnet

Budget-conscious workflows

Best for with OpenAI: o1

Multi-modal tasksLong-form content generation

Side-by-side

Technical specifications

Anthropic: Claude 3.5 Sonnet OpenAI: o1
Provider Anthropic OpenAI
Input price $6/M $15/M
Output price $30/M $60/M
Context window 200K 200K
Max output 8K 100K
Capabilities
Tool useVision
Tool useVisionReasoning
Released Oct 21, 2024 Dec 17, 2024

Scoring breakdown

How each dimension compares

Price

Anthropic: Claude 3.5 Sonnet leads

Anthropic: Claude 3.5 Sonnet

$30/M tokens

OpenAI: o1

$60/M tokens

Context Window

Anthropic: Claude 3.5 Sonnet

200K tokens

OpenAI: o1

200K tokens

Capabilities

OpenAI: o1 leads

Anthropic: Claude 3.5 Sonnet

2/4

OpenAI: o1

3/4

Max Output

OpenAI: o1 leads

Anthropic: Claude 3.5 Sonnet

8K tokens

OpenAI: o1

100K tokens

Recency

Anthropic: Claude 3.5 Sonnet

Oct 2024

OpenAI: o1

Dec 2024

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