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GPT-5.4 vs Grok 4

GPT-5.4 leads in 5 of 8 categories

Arena ELO

GPT-5.4

Cheaper

GPT-5.4

Faster

GPT-5.4

Detailed Comparison

CategoryGPT-5.4Grok 4
ProviderOpenAI xAI
Context Window1M WIN256K
Input Price ($/1M)$3 WIN$5
Output Price ($/1M)$15 WIN$25
Arena ELO1560 WIN1330
Codingunknown unknown
Reasoningunknown unknown
Speed (tokens/sec)~50 t/s WIN~45 t/s
Open SourceNo No

Frequently Asked Questions

Which is cheaper, GPT-5.4 or Grok 4?

GPT-5.4 is approximately 40% cheaper than Grok 4 per million tokens.

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

GPT-5.4 scores unknown on coding benchmarks, while Grok 4 scores unknown.

Which has a larger context window?

GPT-5.4 supports 1M context, while Grok 4 supports 256K.

Is GPT-5.4 or Grok 4 open source?

GPT-5.4 is proprietary. Grok 4 is proprietary.

Which ranks higher on the Chatbot Arena leaderboard?

GPT-5.4 ranks higher with ELO 1560 vs 1330.