Claude Opus 5 API pricing
Anthropic's Claude series — long context, dependable tool calling, and the native models behind Claude Code.
anthropic/claude-opus-5Call summary
Claude Opus 5 API endpoints
One API key — call this model through any of the 2 endpoints below.
Production reliability
Privacy-safe aggregates from real Router One model calls, so you can assess stability and response latency before integrating.
99.71%
99.71%
0.00%
0.29%
98.65
tokens/s7.16 s
18.31 s
Includes production requests ending in 2xx, 429, or 5xx. Average latency uses successful requests; time to first token and TPS require complete observations from successful streams. Public thresholds are 100 requests and 5 independent principals.
Updated Oct 24, 2026, 8:12 PM UTC
More Claude models on Router One
29 other Claude models on the same gateway and API key — each page lists endpoints, posted price, and context window.
16 channel versions
Claude Opus 5 compared with other models
Spec and price matchups against peer models.
Claude Opus 5 at a glance
Claude Opus 5 (model ID anthropic/claude-opus-5) is a Claude-series text model on Router One. Posted rate: $2.25 in / $11.25 out per 1M tokens (was $7.50 in / $37.50 out). Router One subscriptions include Claude Opus 5 in the Premium models allowance: Pro 300, Max 1,000, Ultra 5,000 requests per 30-day cycle. Usage beyond the allowance bills the wallet at posted rates. Within a plan allowance, a request above 256,000 / 512,000 input tokens counts as 2 / 4 requests. Context window: 1.05M tokens. Accepts text, image; returns text. Endpoints: POST /v1/chat/completions (OpenAI-compatible), POST /v1/messages (Anthropic-native, the Claude Code path).
Claude Opus 5 FAQ
How much does Claude Opus 5 cost on Router One?
Claude Opus 5 is billed per token on Router One: $2.25 in / $11.25 out per 1M tokens, pay as you go.
Is Claude Opus 5 included in Router One subscriptions?
Router One subscriptions include Claude Opus 5 in the Premium models allowance: Pro 300, Max 1,000, Ultra 5,000 requests per 30-day cycle. Usage beyond the allowance bills the wallet at posted rates. Within a plan allowance, a request above 256,000 / 512,000 input tokens counts as 2 / 4 requests.
Which endpoints serve Claude Opus 5?
Claude Opus 5 is served on 2 endpoints — POST /v1/chat/completions (OpenAI-compatible), POST /v1/messages (Anthropic-native, the Claude Code path). The same Router One API key works on each.
What is Claude Opus 5's context window?
Claude Opus 5 accepts up to 1.05M tokens of context per request on Router One.
Start using Claude Opus 5
Create an API key and call Claude Opus 5 at $2.25 in / $11.25 out per 1M tokens on Router One — pay as you go, with per-request cost and latency visibility.