Claude Sonnet 5 vs o1

Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.

Claude Sonnet 5 by Anthropic wins on 6 of 6 benchmarks against o1 by OpenAI, which leads on 0. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.

Category-by-Category Breakdown

Coding: In coding, Claude Sonnet 5 scores 71.5 on AA Coding Index compared to o1's 39.7.

Reasoning: In reasoning, Claude Sonnet 5 scores 81.4% on GPQA Diamond compared to o1's 77.3%.

Context: In context, Claude Sonnet 5 scores 1.0M on Context Length compared to o1's 200K.

Pricing Comparison

Claude Sonnet 5 costs $2.0/1M input tokens and $10.0/1M output tokens, while o1 costs $15.0/1M input and $60.0/1M output. Claude Sonnet 5 is the more affordable option for API usage.

Verdict

Claude Sonnet 5 leads across the board in affordability, making it the stronger overall choice in this comparison.

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Claude Sonnet 5 vs o1 — FAQ

Which is better, Claude Sonnet 5 or o1?

Claude Sonnet 5 wins on more benchmarks overall (6 vs 0). However, the best choice depends on your specific needs — each model excels in different areas.

How does Claude Sonnet 5 compare to o1 for coding?

SWE-bench Verified data is not available for both models. Check the detailed comparison charts above for other coding-related metrics.

Is Claude Sonnet 5 cheaper than o1?

Yes, Claude Sonnet 5 is cheaper. Claude Sonnet 5 costs $2.0/1M input and $10.0/1M output tokens. o1 costs $15.0/1M input and $60.0/1M output tokens.

Which is faster, Claude Sonnet 5 or o1?

Output speed data is not available for both models. Check the speed section of the comparison above for available performance data.

What benchmarks does the Claude Sonnet 5 vs o1 comparison cover?

This comparison covers 6 benchmarks including GPQA Diamond, Input Cost, Output Cost, Context Length, AA Coding Index, Cached Input Cost. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.