claude-haiku-4.5· Released Oct 15, 2025
anthropic/claude-haiku-4.5
Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance...
Input
From$0.935/M
Output
From$4.675/M
Context
Up to 200K
Max output
Up to 64K
Modalities
TextImageFileTextInput and output show the lowest price across upstreams, for reference. Your actual prices are listed per upstream below.
Upstreams & pricing
| Upstream | Context | Max output | Input $/1M | Output $/1M | Cached input $/1M |
|---|---|---|---|---|---|
Zenlayer AI Gateway - anthropic (Global)From price | 200K | 64K | $0.935 | $4.675 | $0.0935 |
Routed in real time — you pay the listed price of whichever upstream serves your call.
How to call
curlrequest.sh
curl https://api.tkex.ai/v1/chat/completions \
-H "Authorization: Bearer $TX_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "anthropic/claude-haiku-4.5",
"messages": [
{"role": "user", "content": "Say hello in five words."}
]
}'