Anthropic / anthropic/claude-opus-5
Claude Opus 5 - access through LLMTR
The previous Opus generation for multi-file code changes, long-horizon agent tasks, code review, and enterprise knowledge work. It offers a 1M context window, 128K max output, adaptive thinking on by default, vision and document input, tool calling, and prompt cache support. Effort is configurable from low through max. It remains strong for integrations tuned around this generation; Opus 5.5 is the more current choice for new work, at lower prices.
Technical specifications
| Canonical ID | anthropic/claude-opus-5 |
|---|---|
| Provider | Anthropic |
| Context window | 1,000,000 tokens |
| Operations | CHAT_COMPLETIONS |
| Modalities | text, image |
Pricing
An 8% 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 | $5.00 |
| CHAT_COMPLETIONS | CACHE_READ | PER_1M_TOKENS | $0.500000 |
| CHAT_COMPLETIONS | OUTPUT_TEXT | PER_1M_TOKENS | $25.00 |
| CHAT_COMPLETIONS | CACHE_WRITE | PER_1M_TOKENS | $6.25 |
| CHAT_COMPLETIONS | CACHE_WRITE | PER_1M_TOKENS | $10.00 |
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-5","messages":[{"role":"user","content":"Hello"}]}'Guides about this model
- Claude Opus 5 5-minute and 1-hour cache-write prices: which one pays off when - Claude Opus 5's pricing card carries two separate cache-write prices: a 5-minute and a 1-hour TTL. This article explains the difference, how to send the marker through LLMTR, and, with a worked example, which TTL pays off given the time between your requests.
- Claude Haiku 4.5: the first stop for classification, support, and summarization before Opus - The Claude Opus 5 article covered cache TTL choice in the Opus line. This article covers which tasks the family's fastest, most economical member handles without ever needing to step up to Opus.
Related models
- Claude Fable 5.1 anthropic/claude-fable-5.1
- Claude Opus 5.5 anthropic/claude-opus-5.5
- Claude Fable 5 anthropic/claude-fable-5
- 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 5 anthropic/claude-sonnet-5