reroute

Anthropic: Claude Sonnet 4.5 (batch)

anthropic/claude-sonnet-4.5:batch
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Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchmarks such as SWE-bench Verified, with...

Modalities
In / Out Price
$1.50 / $7.50 per 1M
Context
1M
Released
Sep 29, 2025
Knowledge Cutoff
Jan 2025

API

Reroute speaks the OpenAI Chat Completions format. Point any OpenAI SDK at https://reroute.wtf/api/v1 and use anthropic/claude-sonnet-4.5:batch as the model.

You need an API key
Keys start with sk-rr-v1- and are shown once.
Create API key
curl https://reroute.wtf/api/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $REROUTE_API_KEY" \
  -d '{
  "model": "anthropic/claude-sonnet-4.5:batch",
  "messages": [
    { "role": "user", "content": "What is the meaning of life?" }
  ]
}'

Streaming

Set stream: true to receive server-sent events. The final chunk carries usage and cost.

curl -N https://reroute.wtf/api/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $REROUTE_API_KEY" \
  -d '{ "model": "anthropic/claude-sonnet-4.5:batch", "stream": true,
        "messages": [{ "role": "user", "content": "Count to five" }] }'