token.app › Compare › Gemini 2.5 Flash vs Grok 4.6

Gemini 2.5 Flash vs Grok 4.6

Grok 4.6 leads on 1 of 1 shared benchmarks. Gemini 2.5 Flash is 3.5× cheaper per token on a blended 3:1 basis. Gemini 2.5 Flash accepts the larger context window (1.0M).

Head to head
Blended price uses a 3:1 input:output mix
Gemini 2.5 FlashGrok 4.6
ProviderGoogleSpaceXAI
Input $/1M$0.300$2.00
Output $/1M$2.50$6.00
Blended $/1M$0.850$3.00
Context window1.0M500K
Max output66K450K
ReleasedJun 2025Aug 2026
LicenceProprietaryProprietary
OTIS Mock AIME 70.8% 99.2%
Benchmark scores independently run and published by Epoch AI, 'AI Benchmarking Hub', used under CC BY 4.0. Only benchmarks with a score for BOTH models are compared.
Choose Gemini 2.5 Flash if…
  • Costs less per token — $0.850 vs $3.00 blended
  • Larger context window (1.0M)
Choose Grok 4.6 if…
  • Higher OTIS Mock AIME (99.2% vs 70.8%)
  • Newer model (released Aug 2026)
FAQ
Which is better, Gemini 2.5 Flash or Grok 4.6?
Across the 1 benchmark both models have independently-run scores for, Gemini 2.5 Flash leads on 0 and Grok 4.6 leads on 1. Benchmarks are one input — price and context window are on this page too.
Is Gemini 2.5 Flash cheaper than Grok 4.6?
Gemini 2.5 Flash is cheaper: $0.850 versus $3.00 per million tokens blended at 3:1 input:output. Input alone: $0.300 vs $2.00. Output alone: $2.50 vs $6.00.
What context windows do Gemini 2.5 Flash and Grok 4.6 have?
Gemini 2.5 Flash: 1,048,576 tokens. Grok 4.6: 500,000 tokens.
Who makes Gemini 2.5 Flash and Grok 4.6?
Gemini 2.5 Flash is made by Google. Grok 4.6 is made by SpaceXAI.
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