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Claude Sonnet 4.5

Tools
anthropic/claude-sonnet-4-5

1M context · Sep 2025 · 8 upstreams

Anthropic's Claude Sonnet 4.5 balances speed and intelligence for demanding text, coding, and research tasks at a practical cost point.

Bring your own keyAnyRouter has no platform route for Claude Sonnet 4.5. Requests use your key and bill your provider account. AnyRouter adds no fee.
context
1M
input / 1M (list)
$3.00
output / 1M (list)
$15.00
routes
8
speed, 24h
—

Upstreams

8
  1. 1AnthropicYour key · not addedyour planTPS —TTFT ——
  2. 2OpenRouterYour key · not addedyour planTPS —TTFT ——
  3. 3OpenCode ZenYour key · not addedyour planTPS —TTFT ——
  4. 4ClineYour key · not addedyour planTPS —TTFT ——
  5. 5Ramp RouterYour key · not addedyour planTPS —TTFT ——
  6. 6Vercel AI GatewayYour key · not addedyour planTPS —TTFT ——
  7. 7Venice AIYour key · not addedyour planTPS —TTFT ——
  8. 8Nous ResearchYour key · not addedyour planTPS —TTFT ——

Try it

Send a prompt

Uptime, last 48 hours

No health checks yet.

Each bar is one hour. Gaps = no traffic.

Details

Owner
Anthropic
Kind
Chat
Released
Sep 2025
Context
1M
Data policy
Provider retention
Endpoint
/api/v1/chat/completions

Quick start

curl https://anyrouter.dev/api/v1/chat/completions \
  -H "Authorization: Bearer $ANYROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "anthropic/claude-sonnet-4-5",
  "messages": [
    {
      "role": "user",
      "content": "Say hi in 3 words."
    }
  ]
}'