Last refreshed 2026-07-26. Next refresh: weekly.
Why use Claude 4 Opus on OpenRouter?
OpenRouter offers Claude 4 Opus with pay-as-you-go pricing at $15.00/1M input tokens. OpenRouter is a multi-provider LLM aggregator offering unified API access to 300+ models from all major labs and emerging providers, with automatic failover for reliability.
Compare Claude 4 Opus across 2 providers to find the best fit for your use caseInput / 1M
$15.00
Output / 1M
$75.00
Cache
Not sourced
Batch
Not sourced
Setup recipe
Docs fallbackInstall
Use the provider REST API or SDKAuth
Create a provider API keyCall
model: anthropic/claude-opus-4Model ID
anthropic/claude-opus-4Request example
Curated snippets for this provider are not sourced yet. Use OpenRouter documentation with model ID
anthropic/claude-opus-4.Gotchas
- Use provider model ID "anthropic/claude-opus-4", not the LLMReference slug "claude-4-opus".
Compare Claude 4 Opus Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| OpenRouter | $15.00 | $75.00 |
| Anthropic | $15.00 | $75.00 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $15.00 |
| Output tokens | $75.00 |
Capabilities
VisionMultimodalJSON / Tool useStructured OutputsFine-tuning
About Claude 4 Opus
Anthropic Claude 4 Opus API snapshot (claude-opus-4-20250514), deprecated April 14, 2026 with Claude API retirement scheduled for June 15, 2026. Use Claude Opus 4.8 for current integrations.
Get Started
Model Specs
Released2025-05-14
Context200k
Knowledge cutoff2025-04