Claude Sonnet 5 via the Tokenator API

What the model is for

Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work.

Specification

Full nameClaude Sonnet 5
API IDclaude-sonnet-5
Model vendorAnthropic
TypeText model (chat / completions)
Context window1M tokens
Max output128K tokens
Image inputyes
Tokenator usage multiplier1.7×
Input modalitiestext, image, file
Aliasescursor-claude-sonnet-5
Supported API formats/v1/chat/completions /v1/responses /v1/messages
Upstream providers2
Current statusavailable
Data updated2026-08-04

Benchmarks

Intelligence index41.7
Coding index66.4
Agentic index33.7

Artificial Analysis data loaded into the catalog for this model.

Upstream providers

ProviderMultiplier
Anthropic Partner #21.7×
AiPartners Ltd1.7×

A request goes to the first available provider by priority; if it fails, Tokenator switches to the next one.

Example request

curl
curl https://api.tokenator.top/v1/chat/completions \
  -H "Authorization: Bearer sk-your-tokenator-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-sonnet-5",
    "messages": [{"role": "user", "content": "Hello"}]
  }'

Compatible tools

The model can be used in any tool that accepts a custom base URL: Claude Code, Codex CLI, OpenCode, Cursor, Cline, Kilo Code, OpenClaw.

FAQ about Claude Sonnet 5

What is the API ID of Claude Sonnet 5?

claude-sonnet-5 — put this into the model field of your request.

What context window does Claude Sonnet 5 have?

1M tokens; max output is 128K tokens.

How many tokens will a request cost?

(input + output) × 1.7×. See the documentation for details.

Which tools support this model?

Any tool that accepts a custom base URL: Claude Code, Codex CLI, OpenCode, Cursor, Cline, Kilo Code. Setup guides are in the integrations section.