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Claude Haiku 4.5 vs Gemini 2.5 Flash Lite (09-2025)

At a glance

Fast and efficient with near-frontier intelligence.

75200K ctx$1.00/$5.00 per M#41/92

Earlier Gemini 2.5 Flash Lite preview from September 2025.

1.0M ctx$0.10/$0.40 per M
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Reasoning
CodingInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Capability
CapabilityECI75.3
Reasoning & Knowledge
Graduate Science60.5%
Math
Math Problems86.9%Competition Math35.8%Research Math4.1%
Agentic
Terminal Tasks29.8%Novel Reasoning1.3%
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper91%
Capability
Capability—
Reasoning & Knowledge
Graduate Science—
Math
Math Problems—Competition Math—Research Math—
Agentic
Terminal Tasks—Novel Reasoning—
Specs
200K
Context
64K
Max output
Oct 2025
Released
1.0M
Context
66K
Max output
Sep 2025
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$1.00/M tokens
Output$5.00/M tokens
Cache read$0.10/M tokens
Cache write$1.25/M tokens
Web search29%$0.01/search
Live pricing, shown before you run
Input90%$0.10/M tokens
Output92%$0.40/M tokens
Reasoning$0.40/M tokens
Cache read90%$0.01/M tokens
Cache write93%$0.08/M tokens
Image input$0.10/M tokens
Audio input$0.30/M tokens
Web search$0.01/search
Chat with Claude Haiku 4.5Go to model
Chat with Gemini 2.5 Flash Lite (09-2025)Go to model
Frequently Asked Questions: Claude Haiku 4.5 vs Gemini 2.5 Flash Lite (09-2025)▼

Which is better, Claude Haiku 4.5 or Gemini 2.5 Flash Lite (09-2025)?

▼

Both Claude Haiku 4.5 and Gemini 2.5 Flash Lite (09-2025) are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, Claude Haiku 4.5 or Gemini 2.5 Flash Lite (09-2025)?

▼

Gemini 2.5 Flash Lite (09-2025) has a lower blended cost. Claude Haiku 4.5: $1.00 input / $5.00 output. Gemini 2.5 Flash Lite (09-2025): $0.10 input / $0.40 output.

Which has a larger context window, Claude Haiku 4.5 or Gemini 2.5 Flash Lite (09-2025)?

▼

Gemini 2.5 Flash Lite (09-2025) has a larger context window: Claude Haiku 4.5 supports 200K tokens vs Gemini 2.5 Flash Lite (09-2025) at 1M tokens.

Do both Claude Haiku 4.5 and Gemini 2.5 Flash Lite (09-2025) support vision?

▼

Yes, both Claude Haiku 4.5 and Gemini 2.5 Flash Lite (09-2025) support vision/image input.

What are the key differences between Claude Haiku 4.5 and Gemini 2.5 Flash Lite (09-2025)?

▼

Key differences: Gemini 2.5 Flash Lite (09-2025) is significantly cheaper. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Claude Haiku 4.5 and Gemini 2.5 Flash Lite (09-2025) for free on idapt.app to see which performs better for your specific needs.

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