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Gemini 2.0 Flash vs Grok 3: Pricing, Benchmarks & Verdict (2026)

Verdict

Gemini 2.0 Flash is significantly cheaper at $0.10/$0.40 per million tokens vs $3.00/$15.00. Grok 3 is stronger for coding with a coding ELO of 1290 vs 1240. Gemini 2.0 Flash is faster at 160 tokens/sec vs 80 tokens/sec. Grok 3 ranks higher overall with an Arena ELO of 1300 vs 1260. Gemini 2.0 Flash offers a larger 1049K context window vs 128K.

Side-by-Side Comparison

FeatureGemini 2.0 FlashGrok 3
ProviderGooglexAI
Input Price / 1M tokens$0.100$3.00
Output Price / 1M tokens$0.400$15.00
Context Window1.048576M128K
Max Output Tokens8,19216,384
Arena ELO1,2601,300
Coding ELO1,2401,290
TTFT (ms)120300
Tokens/sec16080
MultimodalYesYes
JSON ModeYesYes
Function CallingYesYes
VisionYesYes
When to Use Gemini 2.0 Flash

Choose Gemini 2.0 Flash when you need: extremely fast inference, 1m context window at very low cost, strong multimodal support, great for real-time applications. It excels at chatbots, high-volume, cost-sensitive, multimodal tasks. It is also the more cost-effective option between the two. Its 1049K context window is larger, making it better for long-document processing.

Strengths:

  • Extremely fast inference
  • 1M context window at very low cost
  • Strong multimodal support
  • Great for real-time applications

Best for:

chatbotshigh-volumecost-sensitivemultimodal
When to Use Grok 3

Choose Grok 3 when you need: strong benchmark performance, good reasoning capabilities, vision and multimodal support, fast for its capability tier. It excels at general-purpose, reasoning, coding tasks.

Strengths:

  • Strong benchmark performance
  • Good reasoning capabilities
  • Vision and multimodal support
  • Fast for its capability tier

Best for:

general-purposereasoningcoding

Frequently Asked Questions

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