Anthropic / anthropic/claude-sonnet-4
Claude Sonnet 4 - access through LLMTR
Well suited to user-facing assistants, tool-using flows, and mid-to-high volume product workloads. A solid pick when you care about both cost and capability.
Technical specifications
| Canonical ID | anthropic/claude-sonnet-4 |
|---|---|
| Provider | Anthropic |
| Context window | 200,000 tokens |
| Operations | CHAT_COMPLETIONS |
| Modalities | text, image |
Pricing
A 6% platform margin applies to credit top-ups; model usage prices are not separately marked up.
| Operation | Metric | Unit | Price |
|---|---|---|---|
| CHAT_COMPLETIONS | INPUT_TEXT | PER_1M_TOKENS | $3.00 |
| CHAT_COMPLETIONS | OUTPUT_TEXT | PER_1M_TOKENS | $15.00 |
Example usage
With existing OpenAI SDK flows, change only the base URL and model identifier.
curl https://llmtr.com/v1/chat/completions \
-H "Authorization: Bearer llmtr-your_key" \
-H "Content-Type: application/json" \
-d '{"model":"anthropic/claude-sonnet-4","messages":[{"role":"user","content":"Hello"}]}'Related models
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