Claude Opus 4.6 vs GPT-5.4

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

GPT-5.4 by OpenAI wins on 5 of 8 benchmarks against Claude Opus 4.6 by Anthropic, 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 Opus 4.6 scores 1289 on Design Arena ELO compared to GPT-5.4's 1201, while Claude Opus 4.6 scores 1298 on Website Arena ELO compared to GPT-5.4's 1210.

Reasoning: In reasoning, GPT-5.4 scores 90.3% on GPQA Diamond compared to Claude Opus 4.6's 85.3%, while Claude Opus 4.6 scores 75.7% on τ²-Bench Airline compared to GPT-5.4's 75.7%.

Context: In context, GPT-5.4 scores 1.1M on Context Length compared to Claude Opus 4.6's 1.0M.

Pricing Comparison

Claude Opus 4.6 costs $5.0/1M input tokens and $25.0/1M output tokens, while GPT-5.4 costs $2.5/1M input and $15.0/1M output. GPT-5.4 is the more affordable option for API usage.

Verdict

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

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Claude Opus 4.6 vs GPT-5.4 — FAQ

Which is better, Claude Opus 4.6 or GPT-5.4?

GPT-5.4 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 Opus 4.6 compare to GPT-5.4 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 Opus 4.6 cheaper than GPT-5.4?

Yes, GPT-5.4 is cheaper. Claude Opus 4.6 costs $5.0/1M input and $25.0/1M output tokens. GPT-5.4 costs $2.5/1M input and $15.0/1M output tokens.

Which is faster, Claude Opus 4.6 or GPT-5.4?

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 Opus 4.6 vs GPT-5.4 comparison cover?

This comparison covers 8 benchmarks including GPQA Diamond, Input Cost, Output Cost, Context Length, Cached Input Cost, Design Arena ELO, τ²-Bench Airline, Website Arena ELO. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.