Claude Opus 5 API in 2026: Pricing, Model ID, and Usage Checks
Claude Opus 5 is listed in the supplied pricing data under the model ID `claude-opus-5`. The supplied data does not state its publication date; this page focuses on checking its listed price, account-group multiplier, and runtime values before integration.
What's new: Pricing Data Snapshot
- The pricing source was fetched from https://api.openlux.ai/api/pricing on August 4, 2026.
- claude-opus-5 is listed with a $5 input base price and a $25 output base price per 1M tokens.
- The listed cache-hit base price for claude-opus-5 is $0.50 per 1M tokens.
- Final pricing is calculated as the base price multiplied by the user's account-group multiplier.
- The catalog reports 452 models for sale; the supplied table shows only the 150 highest-volume models.
What is Claude Opus 5 API?
An API gateway sits between your code and the model vendors: you send OpenAI-format requests, and it handles routing, protocol translation, and metering.
The hard part of shipping on claude-opus-5 is rarely the model itself — it is the integration sprawl that shows up once you add a second provider.
OpenLux runs this layer as a hosted service: see the docs aggregates 452 models for sale as of August 4, 2026 major models behind one OpenAI-compatible endpoint, with a single API key and a single invoice.
Supported models and pricing
| Model | Use cases | Context | Input price | Output price | Measured time to first token |
|---|---|---|---|---|---|
| claude-opus-5 | Agentic workflows and tasks that need proactive model behavior | 待实测 | $5 / 1M tokens base price | $25 / 1M tokens base price | 待实测 |
Pricing on OpenLux is authoritative; this page was updated 2026-08-04.
Why route through a gateway?
- Exact listed model ID：Use `claude-opus-5` when checking the pricing response and configuring a request.
- Published base-price fields：The pricing response lists separate base prices for input, output, and cache-hit tokens.
- Group-aware cost calculation：The final charge is based on the listed base price multiplied by the multiplier for the user's account group.
- Catalog visibility：The supplied snapshot reports 452 models for sale across multiple providers, so teams can inspect available options from the same pricing source.
- Source-checkable data：The price snapshot comes from the platform's pricing endpoint rather than a manually maintained price list.
All of the above is live on OpenLux Claude Opus 5 API — sign up and verify it yourself.
- How do you call the claude-opus-5 API?Setup steps and copy-pasteable code
- claude-opus-5: direct API or gateway?Point-by-point, including the limitations
- claude-opus-5 API — frequently asked questionsWhat people actually ask when integrating
Get started
Check the live pricing response and validate `claude-opus-5` in your environment
Official site: OpenLux
Last updated 2026-08-04 | Written and maintained by OpenLux.
Latency and pricing figures come from our own measurements. Where they differ from the vendor's site, the vendor's live page wins.