Polaris Alpha

Image input Text input Text output Unavailable
Author's Description

This is a cloaked model provided to the community to gather feedback. A powerful, general-purpose model that excels across real-world tasks, with standout performance in coding, tool calling, and instruction following. **Note:** All prompts and completions for this model are logged by the provider and may be used to improve the model.

Key Specifications
Cost
$
Context
256K
Released
Nov 06, 2025
Speed
Ability
Reliability
Supported Parameters

This model supports the following parameters:

Tools Max Tokens Structured Outputs Response Format Tool Choice
Features

This model supports the following features:

Response Format Tools Structured Outputs
Performance Summary

Polaris Alpha, a cloaked model from openrouter, demonstrates strong overall performance, particularly excelling in reliability with a perfect 100% success rate across all benchmarks, indicating consistent and usable responses. The model generally performs in the top tier for speed, ranking in the 72nd percentile. Price data is currently unavailable, suggesting potential free tier usage. Across benchmarks, Polaris Alpha shows exceptional accuracy in General Knowledge (100%), achieving perfect scores and being noted as the most accurate among models of comparable speed. It also exhibits high proficiency in Mathematics (95% accuracy, 95th percentile), standing out as #1 in cost efficiency and offering exceptional value. Coding performance is also strong at 93% accuracy (89th percentile). While its Instruction Following (79% accuracy, 92nd percentile) and Hallucinations (96% accuracy, 64th percentile) benchmarks are solid, they are not as dominant as its top categories. Reasoning (76% accuracy) is a moderate area. The model's description highlights its strength in coding, tool calling, and instruction following, which is largely supported by the benchmark data, especially in coding and instruction following.

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 | openrouter/polaris-alpha 256K $0 / 1M tokens $0 / 1M tokens
Benchmark Results
Benchmark Category Reasoning Strategy Free Executions Accuracy Cost Duration
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