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GPT-4o vs GPT-5.4

GPT-4o leads in 3 of 8 categories

Arena ELO

GPT-5.4

Cheaper

GPT-4o

Faster

GPT-4o

Detailed Comparison

CategoryGPT-4oGPT-5.4
ProviderOpenAI OpenAI
Context Window128K 1M WIN
Input Price ($/1M)$2.5 WIN$3
Output Price ($/1M)$10 WIN$15
Arena ELO1340 1560 WIN
Coding30.8% SWE-bench unknown
Reasoningunknown unknown
Speed (tokens/sec)~100 t/s WIN~50 t/s
Open SourceNo No

Frequently Asked Questions

Which is cheaper, GPT-4o or GPT-5.4?

GPT-4o is approximately 31% cheaper than GPT-5.4 per million tokens.

Which is better for coding, GPT-4o or GPT-5.4?

GPT-4o scores 30.8% SWE-bench on coding benchmarks, while GPT-5.4 scores unknown.

Which has a larger context window?

GPT-4o supports 128K context, while GPT-5.4 supports 1M.

Is GPT-4o or GPT-5.4 open source?

GPT-4o is proprietary. GPT-5.4 is proprietary.

Which ranks higher on the Chatbot Arena leaderboard?

GPT-5.4 ranks higher with ELO 1560 vs 1340.