Gemini 3 Flash vs Grok-3 Mini: Specs & Benchmark Comparison

CharacteristicGemini 3 FlashGrok-3 Mini
CompanyGooglexAI
Release DateDecember 16, 2025February 16, 2025
Parameters
MultimodalYesYes
Context (input)1.0M128K
Context (output)66K8K
Input Price / 1M$0.50$0.30
Output Price / 1M$3.00$0.50
Average Score0.90.9
Benchmarks
AIME 20251.00.9
GPQA0.90.8

Visual Benchmark Comparison

Gemini 3 Flash
Grok-3 Mini
AIME 20251.0 vs 0.9
1.0
0.9
GPQA0.9 vs 0.8
0.9
0.8

Verdict

Gemini 3 Flash leads in 2 out of 4 comparison categories.

Overall Performance

Both models show comparable average scores: Gemini 3 Flash — 0.9, Grok-3 Mini — 0.9.

API Cost

Grok-3 Mini is 4.4x cheaper: input $0.30/1M vs $0.50/1M tokens.

Context Window

Gemini 3 Flash supports a larger context: 1M vs 128K tokens.

Recency

Gemini 3 Flash is newer: released 12/16/2025 vs 2/16/2025.

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Related Comparisons

The Gemini 3 Flash and Grok-3 Mini comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Gemini 3 Flash or Grok-3 Mini page. See also the complete list of AI model comparisons.