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Claude Sonnet 5.5

Tools
anthropic/claude-sonnet-5-5

1M context · Sep 2026 · 12 upstreams

Anthropic's Claude Sonnet 5.5 is the successor to Claude Sonnet 5 — the best combination of speed and intelligence in the lineup. It is the direct upgrade for well-scoped everyday work (building features, fixing bugs, drafting and review) at the same $2 / $10 per million input / output rates, with adaptive thinking on by default at `high` effort, 1M-token context, 128K max output, vision input, and tool use. Faster than Opus 5.5, cheaper, same window.

Bring your own keyAnyRouter has no platform route for Claude Sonnet 5.5. Requests use your key and bill your provider account. AnyRouter adds no fee.
context
1M
input / 1M (list)
$2.00
output / 1M (list)
$10.00
routes
12
speed, 24h
—

Upstreams

12
  1. 1AnthropicYour key · not addedyour planTPS —TTFT ——
  2. 2Amazon BedrockYour key · not addedyour planTPS —TTFT ——
  3. 3Google Vertex AIYour key · not addedyour planTPS —TTFT ——
  4. 4Microsoft AzureYour key · not addedyour planTPS —TTFT ——
  5. 5OpenRouterYour key · not addedyour planTPS —TTFT ——
  6. 6ClineYour key · not addedyour planTPS —TTFT ——
  7. 7Ramp RouterYour key · not addedyour planTPS —TTFT ——
  8. 8Vercel AI GatewayYour key · not addedyour planTPS —TTFT ——
  9. 9DeepInfraYour key · not addedyour planTPS —TTFT ——
  10. 10Venice AIYour key · not addedyour planTPS —TTFT ——
  11. 11Nous ResearchYour key · not addedyour planTPS —TTFT ——
  12. 12OneTokenYour key · not addedyour planTPS —TTFT ——
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Try it

Send a prompt

Details

Owner
Anthropic
Kind
Vision
Released
Sep 2026
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-5-5",
  "messages": [
    {
      "role": "user",
      "content": "Say hi in 3 words."
    }
  ]
}'