KAT-Coder-Pro V1 (free)
vs
Polaris Alpha

Compare performance metrics, pricing, and capabilities of these AI models.

Key Differences
Context Length
Equal
KAT-Coder-Pro V1 (free): 256K
Polaris Alpha: 256K
Cost Efficiency
Similar
Prompt: vs
Completion: vs

Capabilities

KAT-Coder-Pro V1 (free)
Modality: text->text
Inputs: text
Polaris Alpha
Modality: text+image->text
Inputs: text, image
K
KAT-Coder-Pro V1 (free)
kwaipilot/kat-coder-pro:free

KAT-Coder-Pro V1 is KwaiKAT's most advanced agentic coding model in the KAT-Coder series. Designed specifically for agentic coding tasks, it excels in...

Context Length256K
Prompt Price
ReleasedNovember 10, 2025
Supports:
text->text
P
Polaris Alpha
openrouter/polaris-alpha

This is a cloaked model provided to the community to gather feedback. A powerful, general-purpose model that excels across real-world tasks, with stan...

Context Length256K
Prompt Price
ReleasedNovember 6, 2025
Supports:
text+image->text
Detailed Comparison
Feature
KAT-Coder-Pro V1 (free)
Polaris Alpha
Context Length256K256K
Prompt Price
Completion Price
Modalitytext->texttext+image->text
Release DateNovember 10, 2025November 6, 2025
Analysis & Recommendations

Quick Summary

This comparison reveals key trade-offs between KAT-Coder-Pro V1 (free) and Polaris Alpha. Polaris Alpha offers a larger context window of 256K compared to KAT-Coder-Pro V1 (free)'s 256K, though Polaris Alpha comes at a higher cost.

KAT-Coder-Pro V1 (free) Strengths

  • Competitive context size (256K)
  • Premium pricing for high-quality output
  • Specialized for text tasks
  • Latest generation model

Polaris Alpha Strengths

  • Competitive context size (256K)
  • Premium pricing for high-quality output
  • Multimodal capabilities for image analysis
  • Proven and stable model

When to Use Each Model

Choose KAT-Coder-Pro V1 (free) when:
  • • You need competitive context capability for complex tasks
  • • Cost efficiency is not the primary concern in your use case
  • • Working with text-based tasks that benefit from deep analysis
Choose Polaris Alpha when:
  • • You need competitive context capability for long-form content
  • • Cost efficiency is not the primary concern for your budget
  • • Working with images and text that require advanced processing
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