Last refreshed 2026-07-26. Next refresh: weekly.
Why use Claude Opus 4.5 on OpenRouter?
OpenRouter offers Claude Opus 4.5 with pay-as-you-go pricing at $5.00/1M 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 Opus 4.5 across 6 providers to find the best fit for your use caseInput / 1M
$5.00
Output / 1M
$25.00
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-4.5Model ID
anthropic/claude-opus-4.5Request example
Curated snippets for this provider are not sourced yet. Use OpenRouter documentation with model ID
anthropic/claude-opus-4.5.Gotchas
- Use provider model ID "anthropic/claude-opus-4.5", not the LLMReference slug "claude-opus-4-5".
Compare Claude Opus 4.5 Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| Microsoft Foundry | $5.00 | $25.00 |
| Anthropic | $5.00 | $25.00 |
| GCP Vertex AI | $5.00 | $25.00 |
| AWS Bedrock | $18.00 | $90.00 |
| OpenRouter | $5.00 | $25.00 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $5.00 |
| Output tokens | $25.00 |
Capabilities
VisionMultimodalReasoningJSON / Tool useStructured OutputsCode Execution
About Claude Opus 4.5
Claude Opus 4.5 is Anthropic's Claude 4.5 model with multimodal text and image input and an optional reasoning mode. It offers a 200K-token context window and scores 80.7 on MMMU.
Get Started
Model Specs
Released2025-11-01
Context200k
ArchitectureDecoder Only
Knowledge cutoff2025-12