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  1. Home
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  3. Compare

Claude Opus 5 vs Ox Alpha

Compare Claude Opus 5 from Anthropic and Ox Alpha from Stealth 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 anthropic
Claude Opus 5
Favicon for stealth
Ox Alpha
Favicon for anthropic
Claude Opus 5
Favicon for stealth
Ox Alpha

Overview

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

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

Claude Opus 5 and Ox Alpha are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

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.

Ox Alpha, from Stealth, has a 1,048,576-token context window and is priced by the provider serving it on OpenRouter.

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

Claude Opus 5 vs Ox Alpha at a glance

Claude Opus 5 vs Ox Alpha comparison
AttributeClaude Opus 5Ox Alpha
Input price$5/M tokensPricing varies by provider
Output price$25/M tokensPricing varies by provider
Context window1,000,000 tokens1,048,576 tokens
Intelligence Index50.8Not available
Coding Index78.0Not available
Agentic Index56.5Not available
Latency (p50)3.49 sNot available
Throughput (p50)64.0 tok/sNot available

Benchmark data updated Oct 24, 2026

Frequently asked questions

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

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