Last refreshed 2026-07-26. Next refresh: weekly.
Why use Claude Opus 4.8 on OpenRouter?
OpenRouter offers Claude Opus 4.8 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 4.8 across 6 providers to find the best fit for your use caseSetup recipe
Docs fallbackUse the provider REST API or SDKCreate a provider API keymodel: anthropic/claude-opus-4.8anthropic/claude-opus-4.8Request example
anthropic/claude-opus-4.8.Gotchas
- Use provider model ID "anthropic/claude-opus-4.8", not the LLMReference slug "claude-opus-4-8".
Compare Claude Opus 4.8 Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| Anthropic | $5.00 | $25.00 |
| AWS Bedrock | — | — |
| GCP Vertex AI | — | — |
| Microsoft Foundry | — | — |
| OpenRouter | $5.00 | $25.00 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $5.00 |
| Output tokens | $25.00 |
Capabilities
About Claude Opus 4.8
Claude Opus 4.8 is Anthropic's flagship Claude 4.8 model, released May 28, 2026 for agentic coding, long-horizon reasoning, computer use, and professional knowledge work. It supports text and image inputs, adaptive reasoning, tool use, structured outputs, computer-use tools, prompt caching, Batch API, Dynamic Workflows parallel subagents, a 1M-token context window on Anthropic API/Bedrock/Vertex, and 128K max output. Key datapack rows: SWE-bench Pro 69.2%, SWE-bench Verified 88.6%, Terminal-Bench 2.1 74.6%, HLE with tools 57.9%, OSWorld-Verified 83.4%, GDPval-AA 1890 Elo, and MCP-Atlas 82.2%. Standard Anthropic API pricing is $5/M input and $25/M output.