Anthropic: Claude Haiku 4.5 vs Google: Gemini 2.5 Pro Preview 06-05
Head-to-head API pricing and cost comparison between Anthropic’s Anthropic: Claude Haiku 4.5 and Google’s Google: Gemini 2.5 Pro Preview 06-05. Prices auto-refresh daily from OpenRouter.
Anthropic: Claude Haiku 4.5 is 20% cheaper for input tokens; Anthropic: Claude Haiku 4.5 also wins on output tokens.
Side-by-side comparison
| Spec | Anthropic: Claude Haiku 4.5 | Google: Gemini 2.5 Pro Preview 06-05 |
|---|---|---|
| Input price (per 1M) | $1.00 | $1.25 |
| Cached input (per 1M) | $0.10 | $0.13 |
| Output price (per 1M) | $5.00 | $10.00 |
| Batch input (per 1M) | $0.50 | — |
| Batch output (per 1M) | $2.50 | — |
| Reasoning price (per 1M) | — | $10.00 |
| Context window | 200K | 1049K |
| Vision support | Yes | Yes |
| Caching support | Yes | Yes |
| Batch API | Yes | No |
| Reasoning capability | No | Yes |
Monthly cost at volume
Estimated monthly API spend at common production traffic levels (input/output tokens per request shown).
| Volume | Anthropic: Claude Haiku 4.5 | Google: Gemini 2.5 Pro Preview 06-05 | Savings |
|---|---|---|---|
1K req/day 500in / 200out tokens | $45.00 | $78.75 | $33.75 Anthropic: Claude Haiku 4.5 wins |
10K req/day 1500in / 500out tokens | $1,200 | $2,063 | $862.50 Anthropic: Claude Haiku 4.5 wins |
100K req/day 3000in / 800out tokens | $21,000 | $35,250 | $14,250 Anthropic: Claude Haiku 4.5 wins |
1M req/day 8000in / 2000out tokens | $540,000 | $900,000 | $360,000 Anthropic: Claude Haiku 4.5 wins |
Adjust input/output token counts, request volume, batch & cached pricing.
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Frequently asked questions
Which is cheaper, Anthropic: Claude Haiku 4.5 or Google: Gemini 2.5 Pro Preview 06-05?
For input tokens, Anthropic: Claude Haiku 4.5 is roughly 20% cheaper at $1.00/1M vs $1.25/1M. For output tokens, Anthropic: Claude Haiku 4.5 wins at $5.00/1M. Real-world cost depends on your input/output ratio — use the calculator to model your actual workload.
What’s the context window difference?
Anthropic: Claude Haiku 4.5 has a context window of 200K tokens. Google: Gemini 2.5 Pro Preview 06-05 offers 1049K tokens. Larger context windows are valuable for long documents, RAG pipelines, and multi-turn conversations — but they come with higher input-token bills if you fill them every request.
Should I use Anthropic: Claude Haiku 4.5 or Google: Gemini 2.5 Pro Preview 06-05?
Choose Anthropic: Claude Haiku 4.5 if you’re already on the Anthropic stack, want broad ecosystem support, or prefer its lower input price. Choose Google: Gemini 2.5 Pro Preview 06-05 for Google’s ecosystem, native vision input, or its differentiated capabilities. Run a small benchmark on your own prompts before committing — price is only one axis.
How are these prices kept current?
Prices are pulled directly from OpenRouter’s public models API once every 24 hours via a Convex cron job, then normalized to per-1M-token figures. Last refresh: Apr 21, 2026.