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Introducing Respan Router

Martian vs Unify (2026)

Updated March 10, 2026

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Overview

Rating
10.0 / 10
Rating
10.0 / 10
Best For
Teams who want AI to automatically pick the best model for each request based on quality and cost
Best For
—
Product Summary

Martian is an intelligent model router that automatically selects the best LLM for each request based on the prompt content, required capabilities, and cost constraints. Using proprietary routing models, Martian optimizes for quality and cost simultaneously, helping teams reduce LLM spend while maintaining or improving output quality.

Product Summary

Unify provides intelligent LLM routing that automatically selects the optimal model and provider for each request based on quality, cost, and latency constraints. It benchmarks 100+ endpoints across providers and dynamically routes traffic to maximize performance while minimizing costs.

Starting Price
$0Per month
Starting Price
$0Per month
Free Trial
Yes
Free Trial
Yes
Free Version
Yes
Free Version
Yes
Website

Key features

Core capabilities each platform advertises.

MartianMartian
  • Intelligent model routing based on prompt type
  • Automatic quality optimization
  • Cost-performance tradeoff management
  • Transparent routing decisions
  • OpenAI-compatible API
UnifyUnify
Data not available

Strengths and tradeoffs

What each tool does well, and the limitations to keep in mind.

MartianMartian

Pros

  • Developer-friendly platform
  • Production-ready
  • Good performance
  • Active development

Cons

  • Enterprise pricing varies
  • Setup complexity
  • Learning curve
UnifyUnify

Pros

  • Developer-friendly platform
  • Production-ready
  • Good performance
  • Active development

Cons

  • Enterprise pricing varies
  • Setup complexity
  • Learning curve

Martian or Unify — which should you choose?

Choose Martian if you want

  • Automatic model selection for optimal quality
  • Cost optimization without sacrificing output quality
  • Routing different task types to specialized models
  • Reducing latency through smart provider selection

Choose Unify if you want

Data not available

Compare Martian and Unify on your own traffic

10KFree traces/mo
1,000+Models
5 minSetup

Respan lets you trace LLM and agent calls across any model or framework, A/B test prompts on production traffic, and route requests across 1,000+ models through one gateway.

Try Respan free

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