Claude Sonnet 4.6 vs GPT-5.4 mini

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

Claude Sonnet 4.6 by Anthropic wins on 5 of 9 benchmarks against GPT-5.4 mini by OpenAI, which leads on 4. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.

Category-by-Category Breakdown

General Intelligence: In general intelligence, Claude Sonnet 4.6 scores 30.5 on AA Intelligence Index compared to GPT-5.4 mini's 24.6.

Coding: In coding, Claude Sonnet 4.6 scores 63 on AA Coding Index compared to GPT-5.4 mini's 56.1.

Reasoning: In reasoning, GPT-5.4 mini scores 83.7% on GPQA Diamond compared to Claude Sonnet 4.6's 54.3%, while Claude Sonnet 4.6 scores 33.1 on AA Agentic Index compared to GPT-5.4 mini's 19.7, while Claude Sonnet 4.6 scores 75.3% on τ²-Bench Airline compared to GPT-5.4 mini's 63.0%.

Context: In context, Claude Sonnet 4.6 scores 1.0M on Context Length compared to GPT-5.4 mini's 400K.

Pricing Comparison

Claude Sonnet 4.6 costs $3.0/1M input tokens and $15.0/1M output tokens, while GPT-5.4 mini costs $0.75/1M input and $4.5/1M output. GPT-5.4 mini is the more affordable option for API usage.

Verdict

GPT-5.4 mini leads across the board in affordability, making it the stronger overall choice in this comparison.

Claude Sonnet 4.6 vs GPT-5.4 mini — FAQ

Which is better, Claude Sonnet 4.6 or GPT-5.4 mini?

Claude Sonnet 4.6 wins on more benchmarks overall (5 vs 4). However, the best choice depends on your specific needs — each model excels in different areas.

How does Claude Sonnet 4.6 compare to GPT-5.4 mini 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 4.6 cheaper than GPT-5.4 mini?

Yes, GPT-5.4 mini is cheaper. Claude Sonnet 4.6 costs $3.0/1M input and $15.0/1M output tokens. GPT-5.4 mini costs $0.75/1M input and $4.5/1M output tokens.

Which is faster, Claude Sonnet 4.6 or GPT-5.4 mini?

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 4.6 vs GPT-5.4 mini comparison cover?

This comparison covers 9 benchmarks including GPQA Diamond, Input Cost, Output Cost, Context Length, AA Intelligence Index, AA Coding Index, AA Agentic Index, Cached Input Cost, and more. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.