Ox Alpha

Image input Text input Video input Text output
Author's Description

Ox Alpha is a reasoning model designed for coding, sustained agentic work, and production workloads. It is suited for long-horizon software engineering, complex reasoning, and workflows that combine text with...

Key Specifications
Cost
$
Context
1M
Released
Aug 20, 2026
Speed
Ability
Reliability
Supported Parameters

This model supports the following parameters:

Max Tokens Temperature Response Format Include Reasoning Tool Choice Reasoning Tools Top P
Features

This model supports the following features:

Tools Response Format Reasoning
Performance Summary

Ox Alpha, a reasoning model from stealth, demonstrates competitive response times, ranking in the 51st percentile across eight benchmarks. Pricing information is currently unavailable, suggesting potential free tier usage. The model exhibits exceptional reliability, achieving a 100% success rate across all benchmarks, indicating consistent and usable responses without technical failures. Ox Alpha excels in several critical areas. It achieves perfect accuracy in Hallucinations (100%), demonstrating a strong ability to acknowledge uncertainty, and in Ethics (100%), indicating robust moral reasoning. Its General Knowledge is also perfect (100%), performing among the fastest models in this category. The model shows strong performance in Coding (95% accuracy, 91st percentile), Email Classification (99% accuracy, 92nd percentile), and particularly in Mathematics (97% accuracy, 98th percentile), where it ranks among the top models. While its Reasoning (96% accuracy, 81st percentile) is strong, its Instruction Following (77% accuracy, 80th percentile) is a relative area for improvement compared to its other high-performing categories, though still respectable. Overall, Ox Alpha is a highly reliable and accurate model, particularly suited for tasks requiring complex reasoning, coding, and ethical considerations.

Model Pricing

Current Pricing

Feature Price (per 1M tokens)
Prompt $0
Completion $0

Price History

Available Endpoints
Provider Endpoint Name Context Length Pricing (Input) Pricing (Output)
Stealth
Stealth | stealth/ox-alpha 1M $0 / 1M tokens $0 / 1M tokens
Benchmark Results
Benchmark Category Reasoning Strategy Free Executions Accuracy Cost Duration