token.app › Compare › GPT-4o-mini (2024-07-18) vs Grok 4.5

GPT-4o-mini (2024-07-18) vs Grok 4.5

GPT-4o-mini (2024-07-18) is 11× cheaper per token on a blended 3:1 basis. Grok 4.5 accepts the larger context window (500K).

Head to head
Blended price uses a 3:1 input:output mix
GPT-4o-mini (2024-07-18)Grok 4.5
ProviderOpenAIxAI
Input $/1M$0.150$2.00
Output $/1M$0.600$6.00
Blended $/1M$0.262$3.00
Context window128K500K
Max output16K—
ReleasedJul 2024Jul 2026
LicenceProprietaryProprietary
Choose GPT-4o-mini (2024-07-18) if…
  • Costs less per token — $0.262 vs $3.00 blended
Choose Grok 4.5 if…
  • Larger context window (500K)
  • Newer model (released Jul 2026)
FAQ
Which is better, GPT-4o-mini (2024-07-18) or Grok 4.5?
We do not hold independently-run benchmark scores covering both GPT-4o-mini (2024-07-18) and Grok 4.5, so we make no quality claim. Their pricing and specifications are compared on this page.
Is GPT-4o-mini (2024-07-18) cheaper than Grok 4.5?
GPT-4o-mini (2024-07-18) is cheaper: $0.262 versus $3.00 per million tokens blended at 3:1 input:output. Input alone: $0.150 vs $2.00. Output alone: $0.600 vs $6.00.
What context windows do GPT-4o-mini (2024-07-18) and Grok 4.5 have?
GPT-4o-mini (2024-07-18): 128,000 tokens. Grok 4.5: 500,000 tokens.
Who makes GPT-4o-mini (2024-07-18) and Grok 4.5?
GPT-4o-mini (2024-07-18) is made by OpenAI. Grok 4.5 is made by xAI.
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