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Gemini 3 Flash vs Claude Haiku 4.5

Pricing, context window, and benchmark comparison · Last updated April 2026

Quick Verdict

Gemini 3 Flash is cheaper than Claude Haiku 4.5 at $0.50/1M/1M vs $1.00/1M/1M input tokens — a 2.0x cost difference. Gemini 3 Flash scores higher on quality benchmarks (ELO 1370). Choose Gemini 3 Flash for cost-sensitive workloads; both are strong choices depending on your budget.

Detailed Comparison

MetricGemini 3 FlashClaude Haiku 4.5
Input Price / 1M tokens$0.50/1MCheaper$1.00/1M
Output Price / 1M tokens$3.00/1MCheaper$5.00/1M
Context Window1MLarger200K
ELO Score (LMSYS)1370Smarter1320
Open Source
Free Tier
Release Date2026-022025-10

Which is cheaper: Gemini 3 Flash or Claude Haiku 4.5?

Gemini 3 Flash is the cheaper option at $0.50/1M per 1M input tokens, compared to $1.00/1M for Claude Haiku 4.5. That is a 2.0x cost difference on input tokens. Output pricing follows a similar pattern: Gemini 3 Flash charges $3.00/1M/1M vs $5.00/1M/1M for Claude Haiku 4.5.

Which has better quality: Gemini 3 Flash or Claude Haiku 4.5?

Based on LMSYS Chatbot Arena rankings, Gemini 3 Flash achieves a higher ELO score (1370 vs 1320), suggesting stronger performance on open-ended tasks. Gemini 3 Flash excels at gemini 3-generation quality at flash pricing. Claude Haiku 4.5 is known for near-frontier intelligence at the lowest claude price tier.

Which should you choose: Gemini 3 Flash or Claude Haiku 4.5?

Choose Gemini 3 Flash if:
  • Gemini 3-generation quality at Flash pricing
  • 1M context window
  • Strong multimodal reasoning
Choose Claude Haiku 4.5 if:
  • Near-frontier intelligence at the lowest Claude price tier
  • Fastest Claude model
  • 200K context window

Frequently Asked Questions

Which is cheaper: Gemini 3 Flash or Claude Haiku 4.5?

Gemini 3 Flash is cheaper at $0.50/1M per 1M input tokens, making it 2.0x more affordable.

Which has better quality: Gemini 3 Flash or Claude Haiku 4.5?

Gemini 3 Flash scores higher on the LMSYS Chatbot Arena with an ELO of 1370, suggesting better overall quality for most tasks.

Which has a larger context window: Gemini 3 Flash or Claude Haiku 4.5?

Gemini 3 Flash has a larger context window at 1000K tokens.

Should I choose Gemini 3 Flash or Claude Haiku 4.5?

Choose Gemini 3 Flash if cost is the priority. Choose Gemini 3 Flash if benchmark quality is most important. Consider your specific use case: Gemini 3 Flash is best for fast-response and function-calling, while Claude Haiku 4.5 excels at fast-response and customer-support.

Is Gemini 3 Flash or Claude Haiku 4.5 open source?

Gemini 3 Flash is proprietary. Claude Haiku 4.5 is proprietary.

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