Claude Haiku 4.5 vs Gemini 2.5 Flash: API cost
Standard, cached and batch API prices for Claude Haiku 4.5 (Anthropic) and Gemini 2.5 Flash (Google), and what each costs for your usage.
Gemini 2.5 Flash is cheaper than Claude Haiku 4.5 at standard rates, with 3.3× cheaper input and 2× cheaper output.
- Input $30.00
- Cached input $3.00
- Output $45.00
- Input $9.00
- Cached input $0.9
- Output $22.50
Show as a table
| Output tokens | Claude Haiku 4.5 | Gemini 2.5 Flash |
|---|---|---|
| 0 | $1.00 | $0.3 |
| 250 | $2.25 | $0.93 |
| 500 | $3.50 | $1.55 |
| 750 | $4.75 | $2.18 |
| 1,000 | $6.00 | $2.80 |
| Token type | Claude Haiku 4.5 | Gemini 2.5 Flash | |
|---|---|---|---|
| Input | $1 | $0.30 | Gemini 2.5 Flash is 3.3× cheaper |
| Cached input | $0.10 | $0.03 | Gemini 2.5 Flash is 3.3× cheaper |
| Output | $5 | $2.50 | Gemini 2.5 Flash is 2× cheaper |
| Batch input | $0.50 | $0.15 | Gemini 2.5 Flash is 3.3× cheaper |
| Batch cached input | $0.05 | $0.03 | Gemini 2.5 Flash is 40% cheaper |
| Batch output | $2.50 | $1.25 | Gemini 2.5 Flash is 2× cheaper |
Gemini 2.5 Flash: Audio input costs more.
| Workload | Claude Haiku 4.5 | Gemini 2.5 Flash |
|---|---|---|
Support chatbot 2,000 in / 300 out tokens,
1,000 requests a day, 50% cached | $78.00 | $32.40 |
Document summaries 10,000 in / 800 out tokens,
200 requests a day | $84.00 | $30.00 |
Tagging / classifying 400 in / 20 out tokens,
20,000 requests a day | $300.00 | $102.00 |
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Or see Claude Haiku 4.5 pricing, Gemini 2.5 Flash pricing, or compare any two models.
FAQ
Frequently asked questions
Is Claude Haiku 4.5 cheaper than Gemini 2.5 Flash?
Gemini 2.5 Flash is cheaper than Claude Haiku 4.5 at standard rates, with 3.3× cheaper input and 2× cheaper output. Based on standard API rates last checked on 30 Sept 2026.
How much do Claude Haiku 4.5 and Gemini 2.5 Flash cost per million tokens?
Claude Haiku 4.5: $1 per million input tokens and $5 per million output tokens. Gemini 2.5 Flash: $0.30 input and $2.50 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 2.5 Flash’s batch rates are $0.15 input and $1.25 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 2.5 Flash charges $0.03 per million cached input tokens, against $0.30 for normal input. Cache write and storage charges are extra and aren’t included here.