GPT-5 vs GPT-5.4
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
GPT-5.4 by OpenAI wins on 6 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, GPT-5.4 scores 71.1 on AA Coding Index compared to GPT-5's 37.8, while GPT-5.4 scores 1201 on Design Arena ELO compared to GPT-5's 1172, while GPT-5.4 scores 1210 on Website Arena ELO compared to GPT-5's 1194.
Reasoning: In reasoning, GPT-5.4 scores 90.3% on GPQA Diamond compared to GPT-5's 86.0%, while GPT-5.4 scores 75.7% on τ²-Bench Airline compared to GPT-5's 68.4%.
Context: In context, GPT-5.4 scores 1.1M on Context Length compared to GPT-5's 400K.
Pricing Comparison
GPT-5 costs $1.3/1M input tokens and $10.0/1M output tokens, while GPT-5.4 costs $2.5/1M input and $15.0/1M 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.
View Individual Model Pages
GPT-5 vs GPT-5.4 — FAQ
Which is better, GPT-5 or GPT-5.4?
GPT-5.4 wins on more benchmarks overall (6 vs 3). However, the best choice depends on your specific needs — each model excels in different areas.
How does GPT-5 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 GPT-5 cheaper than GPT-5.4?
Yes, GPT-5 is cheaper. GPT-5 costs $1.3/1M input and $10.0/1M output tokens. GPT-5.4 costs $2.5/1M input and $15.0/1M output tokens.
Which is faster, GPT-5 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 GPT-5 vs GPT-5.4 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.