Claude Haiku 4.5 vs Gemini 3.1 Flash-Lite: API cost
Standard, cached and batch API prices for Claude Haiku 4.5 (Anthropic) and Gemini 3.1 Flash-Lite (Google), and what each costs for your usage.
Gemini 3.1 Flash-Lite is cheaper than Claude Haiku 4.5 at standard rates, with 4× cheaper input and 3.3× cheaper output.
- Input $30.00
- Cached input $3.00
- Output $45.00
- Input $7.50
- Cached input $0.75
- Output $13.50
Show as a table
| Output tokens | Claude Haiku 4.5 | Gemini 3.1 Flash-Lite |
|---|---|---|
| 0 | $1.00 | $0.25 |
| 250 | $2.25 | $0.63 |
| 500 | $3.50 | $1.00 |
| 750 | $4.75 | $1.38 |
| 1,000 | $6.00 | $1.75 |
| Token type | Claude Haiku 4.5 | Gemini 3.1 Flash-Lite | |
|---|---|---|---|
| Input | $1 | $0.25 | Gemini 3.1 Flash-Lite is 4× cheaper |
| Cached input | $0.10 | $0.025 | Gemini 3.1 Flash-Lite is 4× cheaper |
| Output | $5 | $1.50 | Gemini 3.1 Flash-Lite is 3.3× cheaper |
| Batch input | $0.50 | $0.125 | Gemini 3.1 Flash-Lite is 4× cheaper |
| Batch cached input | $0.05 | $0.0125 | Gemini 3.1 Flash-Lite is 4× cheaper |
| Batch output | $2.50 | $0.75 | Gemini 3.1 Flash-Lite is 3.3× cheaper |
Gemini 3.1 Flash-Lite: Audio input costs more.
| Workload | Claude Haiku 4.5 | Gemini 3.1 Flash-Lite |
|---|---|---|
Support chatbot 2,000 in / 300 out tokens,
1,000 requests a day, 50% cached | $78.00 | $21.75 |
Document summaries 10,000 in / 800 out tokens,
200 requests a day | $84.00 | $22.20 |
Tagging / classifying 400 in / 20 out tokens,
20,000 requests a day | $300.00 | $78.00 |
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Or see Claude Haiku 4.5 pricing, Gemini 3.1 Flash-Lite pricing, or compare any two models.
FAQ
Frequently asked questions
Is Claude Haiku 4.5 cheaper than Gemini 3.1 Flash-Lite?
Gemini 3.1 Flash-Lite is cheaper than Claude Haiku 4.5 at standard rates, with 4× cheaper input and 3.3× cheaper output. Based on standard API rates last checked on 30 Sept 2026.
How much do Claude Haiku 4.5 and Gemini 3.1 Flash-Lite cost per million tokens?
Claude Haiku 4.5: $1 per million input tokens and $5 per million output tokens. Gemini 3.1 Flash-Lite: $0.25 input and $1.50 output. These are standard rates in USD, before tax, from each provider’s own pricing page.
Which is cheaper with the Batch API?
Claude Haiku 4.5’s batch rates are $0.50 input and $2.50 output per million tokens (50% off); Gemini 3.1 Flash-Lite’s batch rates are $0.125 input and $0.75 output per million tokens (50% off).
Does prompt caching change the comparison?
Claude Haiku 4.5 charges $0.10 per million cached input tokens, against $1 for normal input; Gemini 3.1 Flash-Lite charges $0.025 per million cached input tokens, against $0.25 for normal input. Cache write and storage charges are extra and aren’t included here.