Comparison page
Claude Haiku 4.5 vs Gemini 2.5 Flash
Compare two efficient production tiers for high-volume tasks where latency and cost matter.
Side-by-side pricing
The table uses the same example request on both models so you can compare efficient production routing without changing the prompt shape.
Input 1,000 / Output 250
| Model | Input / 1M | Cached input / 1M | Output / 1M | Example request | Source |
|---|---|---|---|---|---|
Claude Haiku 4.5 Anthropic’s fastest low-cost model for high-volume, latency-sensitive work. | $1.00 | No public rate | $5.00 | $0.0023 | Anthropic pricing |
Gemini 2.5 Flash Fast Google model for balanced cost, latency, and multimodal capability. | $0.540 | No public rate | $4.50 | $0.0017 | Google Gemini pricing |
When to choose each model
Claude Haiku 4.5
Choose Claude Haiku 4.5 when you want the economics or capability profile of Anthropic and you can justify the published rate.
Gemini 2.5 Flash
Choose Gemini 2.5 Flash when you need the second option in this comparison and want to test whether it lowers spend without hurting the workflow.
Use cases
- • Classification and extraction pipelines.
- • Low-latency user-facing assistants.
- • Cutting spend while keeping output quality acceptable.
If the prompt is noisy or repetitive, run it through the prompt optimizer first.
If the brief is too loose, use the context engineer to tighten the instructions before you compare models again.
For the broader pricing strategy, read the LLM cost optimization pillar and the cost-per-million-tokens cheat sheet.
FAQ
Which model is cheaper?
Gemini 2.5 Flash is the lower-cost input-rate option in this comparison.
When would Claude Haiku win?
When you want Claude behavior or better fit for your Anthropic-based workflow.
Is this a practical default comparison?
Yes. These are the kinds of models teams use to route routine work efficiently.