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Claude Opus 4 vs Gemini 2.0 Flash: Pricing, Benchmarks & Verdict (2026)

Verdict

Gemini 2.0 Flash is significantly cheaper at $0.10/$0.40 per million tokens vs $15.00/$75.00. Claude Opus 4 is stronger for coding with a coding ELO of 1360 vs 1240. Gemini 2.0 Flash is faster at 160 tokens/sec vs 50 tokens/sec. Claude Opus 4 ranks higher overall with an Arena ELO of 1330 vs 1260. Gemini 2.0 Flash offers a larger 1049K context window vs 200K.

Side-by-Side Comparison

FeatureClaude Opus 4Gemini 2.0 Flash
ProviderAnthropicGoogle
Input Price / 1M tokens$15.00$0.100
Output Price / 1M tokens$75.00$0.400
Context Window200K1.048576M
Max Output Tokens32,0008,192
Arena ELO1,3301,260
Coding ELO1,3601,240
TTFT (ms)500120
Tokens/sec50160
MultimodalYesYes
JSON ModeYesYes
Function CallingYesYes
VisionYesYes
When to Use Claude Opus 4

Choose Claude Opus 4 when you need: top-tier coding and reasoning, excellent agentic capabilities, strong instruction following, 200k context window. It excels at coding, analysis, agents, complex-reasoning tasks.

Strengths:

  • Top-tier coding and reasoning
  • Excellent agentic capabilities
  • Strong instruction following
  • 200K context window

Best for:

codinganalysisagentscomplex-reasoning
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

Frequently Asked Questions

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