Last refreshed 2026-05-11. Next refresh: weekly.
Why use Claude Haiku 4.5 on OpenRouter?
OpenRouter offers Claude Haiku 4.5 with pay-as-you-go pricing at $1.00/1M input tokens. OpenRouter is a multi-provider LLM aggregator offering unified API access to 300+ models from all major labs and emerging providers, with automatic failover for reliability.
Compare Claude Haiku 4.5 across 7 providers to find the best fit for your use caseSetup recipe
Docs fallbackUse the provider REST API or SDKCreate a provider API keymodel: anthropic/claude-haiku-4.5anthropic/claude-haiku-4.5Request example
anthropic/claude-haiku-4.5.Gotchas
- Use provider model ID "anthropic/claude-haiku-4.5", not the LLMReference slug "claude-haiku-4-5".
Compare Claude Haiku 4.5 Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| Microsoft Foundry | $1.00 | $5.00 |
| Anthropic | $1.00 | $5.00 |
| Snowflake Cortex | — | — |
| AWS Bedrock | $0.80 | $4.00 |
| GCP Vertex AI | $0.80 | $4.00 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $1.00 |
| Output tokens | $5.00 |
Capabilities
About Claude Haiku 4.5
Claude Haiku 4.5 available on AWS Bedrock
FAQ
What does Claude Haiku 4.5 cost on OpenRouter?
On OpenRouter, Claude Haiku 4.5 costs $1 per 1M input tokens and $5 per 1M output tokens.
What is the context window for Claude Haiku 4.5 on OpenRouter?
Claude Haiku 4.5 supports a 200,000 token context window on OpenRouter.
How does OpenRouter compare to other Claude Haiku 4.5 providers?
Claude Haiku 4.5 is available from 7 providers. The cheapest input pricing is $0.8/1M tokens from AWS Bedrock.
What API model ID do I use for Claude Haiku 4.5 on OpenRouter?
Use the model ID anthropic/claude-haiku-4.5 when calling OpenRouter's API.
Who created Claude Haiku 4.5?
Claude Haiku 4.5 was created by Anthropic as part of the Claude 4.5 model family.
Is Claude Haiku 4.5 open source?
Claude Haiku 4.5 is not open source; the seed data lists it as proprietary.