Claude Opus 4.1 — Benchmark Scores, Pricing & Performance Analysis
Claude Opus 4.1 is an AI model by Vertex. View detailed benchmark scores, pricing data, and performance metrics on Serenities AI Models.
Specifications last checked against the provider on . Benchmark scores carry their own source, linked beside each number.
Coding Benchmarks
Human preference ELO for building things — websites, UI, games, charts, SVG
Design Arena (via OpenRouter)Human preference ELO for building a working web page from a brief
Design Arena (via OpenRouter)Cost Benchmarks
Cost per 1M cached input tokens — the price that actually applies to a long agent conversation
OpenRouter APIContext Benchmarks
Available from 19 providers
The same model costs different amounts depending on who serves it. You can bring your own key for 4 of these — connect it here.
| Provider | Input / 1M | Output / 1M | Cached in | Context | Your key |
|---|---|---|---|---|---|
| Poe | $13 | $64 | $1.3 | 197K | — |
| Abacus | $15 | $75 | — | 200K | — |
| Amazon Bedrock | $15 | $75 | $1.5 | 200K | Supported |
| Azure | $15 | $75 | $1.5 | 200K | Supported |
| Azure Cognitive Services | $15 | $75 | $1.5 | 200K | — |
| Databricks | $15 | $75 | $1.5 | 200K | — |
| DevPass (LLM Gateway) | $15 | $75 | $1.5 | 200K | — |
| FastRouter | $15 | $75 | $1.5 | 200K | — |
| Kilo Gateway | $15 | $75 | $1.5 | 200K | — |
| LLM Gateway | $15 | $75 | $1.5 | 200K | — |
| Merge Gateway | $15 | $75 | $1.5 | 200K | — |
| Neon | $15 | $75 | $1.5 | 200K | — |
| OpenCode Zen | $15 | $75 | $1.5 | 200K | — |
| OpenRouter | $15 | $75 | $1.5 | 200K | Supported |
| Pioneer | $15 | $75 | $1.5 | 200K | — |
| Requesty | $15 | $75 | $1.5 | 200K | — |
| Vertex | $15 | $75 | $1.5 | 200K | Supported |
| Vertex (Anthropic) | $15 | $75 | $1.5 | 200K | — |
| ZenMux | $15 | $75 | $1.5 | 200K | — |
Claude Opus 4.1 — Benchmark Scores Overview
Scores normalized to percentage scale for visual comparison. ELO scores mapped to 0-100 range (1100-1500).
Claude Opus 4.1 — Frequently Asked Questions
How much does Claude Opus 4.1 cost?
Claude Opus 4.1 costs $15.0 per 1M input tokens and $75.0 per 1M output tokens. This places it in the premium pricing tier.
What is the context window of Claude Opus 4.1?
Claude Opus 4.1 has a context window of 200K tokens. This determines how much text, conversation history, and code the model can process in a single request.
Who created Claude Opus 4.1?
Claude Opus 4.1 was created by Vertex. It is classified as a flagship model in our catalogue.
Is Claude Opus 4.1 open source?
No, Claude Opus 4.1 is a proprietary model. It is available through Vertex's API and compatible providers.