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  1. Home
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  3. Compare

Ox Alpha vs Claude Opus 5

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.

Favicon for stealth
Ox Alpha
Favicon for anthropic
Claude Opus 5
Favicon for stealth
Ox Alpha
Favicon for anthropic
Claude Opus 5

Overview

Ox Alpha
Author
Stealth
Claude Opus 5
Author
Anthropic
Ox Alpha
Context length
1.05Mtokens
Claude Opus 5
Context length
1Mtokens
Ox Alpha
Reasoning
Claude Opus 5
Reasoning
Ox Alpha
Input modalities
Claude Opus 5
Input modalities
Ox Alpha
Output modalities
Claude Opus 5
Output modalities

Ox Alpha vs Claude Opus 5: side-by-side summary

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.

Context window
  • Ox Alpha: 1,048,576 tokens
  • Claude Opus 5: 1,000,000 tokens
Price
  • Ox Alpha: Pricing varies by provider
  • Claude Opus 5: $5/M tokens input, $25/M tokens output
Provided by
  • Ox Alpha: Stealth
  • Claude Opus 5: Anthropic
  • Ox Alpha model details, providers and pricing
  • Claude Opus 5 model details, providers and pricing

Ox Alpha vs Claude Opus 5 at a glance

Ox Alpha vs Claude Opus 5 comparison
AttributeOx AlphaClaude Opus 5
Input pricePricing varies by provider$5/M tokens
Output pricePricing varies by provider$25/M tokens
Context window1,048,576 tokens1,000,000 tokens
Intelligence IndexNot available50.8
Coding IndexNot available78.0
Agentic IndexNot available56.5
Latency (p50)Not available3.57 s
Throughput (p50)Not available65.0 tok/s

Benchmark data updated Oct 24, 2026

Frequently asked questions

Which has the longer context window, Ox Alpha or Claude Opus 5?

Ox Alpha has the longer context window at 1,048,576 tokens, compared with 1,000,000 tokens for Claude Opus 5.