Anthropic / anthropic/claude-opus-4
Claude Opus 4 - access through LLMTR
An early Opus 4 option aimed at upgraded reasoning and coding quality. Not as current as newer Opus releases, but still meaningful where premium Claude behavior matters.
Technical specifications
| Canonical ID | anthropic/claude-opus-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 | $15.00 |
| CHAT_COMPLETIONS | OUTPUT_TEXT | PER_1M_TOKENS | $75.00 |
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-opus-4","messages":[{"role":"user","content":"Hello"}]}'Related models
- Claude Opus 4.8 anthropic/claude-opus-4.8
- Claude Opus 4.7 anthropic/claude-opus-4.7
- Claude Opus 4.6 anthropic/claude-opus-4.6
- Claude Opus 4.5 anthropic/claude-opus-4.5
- Claude Sonnet 4.6 anthropic/claude-sonnet-4.6
- Claude Sonnet 4.5 anthropic/claude-sonnet-4.5
- Claude Haiku 4.5 anthropic/claude-haiku-4.5
- Claude Opus 4.1 anthropic/claude-opus-4.1