Claude Sonnet 5 vs GPT-5
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Claude Sonnet 5 by Anthropic wins on 5 of 9 benchmarks against GPT-5 by OpenAI, which leads on 3. 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 GPT-5's 37.8, while Claude Sonnet 5 scores 1272 on Design Arena ELO compared to GPT-5's 1172, while Claude Sonnet 5 scores 1289 on Website Arena ELO compared to GPT-5's 1194.
Reasoning: In reasoning, GPT-5 scores 86.0% on GPQA Diamond compared to Claude Sonnet 5's 81.4%, while Claude Sonnet 5 scores 76.7% on τ²-Bench Airline compared to GPT-5's 68.4%.
Context: In context, Claude Sonnet 5 scores 1.0M on Context Length compared to GPT-5's 400K.
Pricing Comparison
Claude Sonnet 5 costs $2.0/1M input tokens and $10.0/1M output tokens, while GPT-5 costs $1.3/1M input and $10.0/1M output. GPT-5 is the more affordable option for API usage.
Verdict
GPT-5 leads across the board in affordability, making it the stronger overall choice in this comparison.
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Claude Sonnet 5 vs GPT-5 — FAQ
Which is better, Claude Sonnet 5 or GPT-5?
Claude Sonnet 5 wins on more benchmarks overall (5 vs 3). However, the best choice depends on your specific needs — each model excels in different areas.
How does Claude Sonnet 5 compare to GPT-5 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 GPT-5?
Yes, GPT-5 is cheaper. Claude Sonnet 5 costs $2.0/1M input and $10.0/1M output tokens. GPT-5 costs $1.3/1M input and $10.0/1M output tokens.
Which is faster, Claude Sonnet 5 or GPT-5?
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 GPT-5 comparison cover?
This comparison covers 9 benchmarks including GPQA Diamond, Input Cost, Output Cost, Context Length, AA Coding Index, Cached Input Cost, Design Arena ELO, τ²-Bench Airline, and more. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.