Compare Ox Alpha from Stealth and Claude Opus 5 from Anthropic on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.
Ox Alpha and Claude Opus 5 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Ox Alpha, from Stealth, has a 1,048,576-token context window and is priced by the provider serving it on OpenRouter.
Claude Opus 5, from Anthropic, has a 1,000,000-token context window and is priced at $5/M tokens input, $25/M tokens output on OpenRouter.
| Attribute | Ox Alpha | Claude Opus 5 |
|---|---|---|
| Input price | Pricing varies by provider | $5/M tokens |
| Output price | Pricing varies by provider | $25/M tokens |
| Context window | 1,048,576 tokens | 1,000,000 tokens |
| Intelligence Index | Not available | 50.8 |
| Coding Index | Not available | 78.0 |
| Agentic Index | Not available | 56.5 |
| Latency (p50) | Not available | 3.57 s |
| Throughput (p50) | Not available | 65.0 tok/s |
Benchmark data updated
Ox Alpha has the longer context window at 1,048,576 tokens, compared with 1,000,000 tokens for Claude Opus 5.