Anthropic: Claude Opus 4.8
anthropic/claude-opus-4.8
Price Published
- Input
- $5.00 per million tokens
- Output
- $25.00 per million tokens
Optional features and fallback routes can cost extra. Confirm current terms with the provider.
Specifications Published
- Context window
- 1,000,000 tokens
- Max output
- 128,000 tokens
- Tool calling
- Supported
- Vision input
- Supported
- Reasoning
- Supported
- Knowledge cutoff
- Not reported
- Listed since
- May 27, 2026
Measured by the Club Signed cheapoS reports
Not yet observed No signed request reports for this exact route yet. Missing reports aren't a failure or a zero.
How we measure · Reports come from cheapoS members who share model details.
Benchmarks Artificial Analysis via OpenRouter
- Intelligence index
- 41.8
- Coding index
- 74.3
- Agentic index
- 41.9
Scores from Artificial Analysis, as distributed in the OpenRouter catalog. They measure test suites, not request reliability on real work.
Try it
- Get an OpenRouter API key. Create one here. Other free tiers are compared on Providers.
- Add it to cheapoS. Open Models → Open OmniRoute, add OpenRouter with your key, then refresh models. Get cheapoS
- Pick this model. Use the ID
anthropic/claude-opus-4.8as a worker or reviewer, and start with a small task you can check.
About this model OpenRouter description
Claude Opus 4.8 is Anthropic's most capable generally available model in the Opus family. It supports text, image, and file inputs with text output, with reasoning support and a 1M-token...
Similar-priced alternatives with tool calling
- inclusionAI: Ling 3.0 Flash VL
inclusionai/ling-3.0-flash-vl$0.02 / $0.06 per M · 262,144 context - Mistral: Ministral 3 8B 2512 (batch)
mistralai/ministral-8b-2512:batch$0.07 / $0.07 per M · 262,144 context - Qwen: Qwen3.7 Flash
qwen/qwen3.7-flash$0.03 / $0.13 per M · 1,000,000 context - Google: Gemma 3 12B
google/gemma-3-12b-it$0.05 / $0.15 per M · 131,072 context - Mistral: Ministral 3 3B 2512
mistralai/ministral-3b-2512$0.10 / $0.10 per M · 131,072 context - Reka Edge
rekaai/reka-edge$0.10 / $0.10 per M · 16,384 context
Catalog data from the OpenRouter model catalog, retrieved Sep 29, 2026, 12:37 PM UTC. A listing isn't a live availability check.