Claude Haiku 4.5
Anthropic's fastest, lowest cost Claude in the app today.
Anthropic, chat. Checked 30 October 2026.
Where to use it through an API
Anthropicclaude-haiku-4-5
The maker publishes its own benchmarks and limits on its model page.
How it compares
The models just above and below it on the Artificial Analysis Intelligence Index.
| Model | Index | Context | Speed |
|---|---|---|---|
| Claude Opus 5.5 | 58 | 1M | 98/s |
| Claude Sonnet 5.5 | 54 | 1M | 137/s |
| Claude Fable 5.1 | 50 | 1M | 64/s |
Use Claude Haiku 4.5 with every other AI at once
Put Claude Haiku 4.5 in one panel and ChatGPT, Claude, Gemini or any of 300+ models in the others. One message goes to all of them, answers arrive side by side, and test mode times them and hides the names so you judge fairly. Free during the beta with your own keys.
Questions
Is there a free Claude Haiku 4.5 API?
Not that we found. Claude Haiku 4.5 is paid per token through Anthropic.
What is the Claude Haiku 4.5 model id?
Anthropic: claude-haiku-4-5.
How does Claude Haiku 4.5 score?
The Artificial Analysis Intelligence Index had not scored it when we checked on 30 October 2026.
Can I use Claude Haiku 4.5 with ChatGPT, Claude and Gemini at the same time?
Yes. MultiScreenAI puts Claude Haiku 4.5 in one panel and other models in the others, sends one message to all of them and shows the answers side by side.