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  1. Home
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  3. Compare

Seed-2.0-Lite vs Sonar Reasoning Pro

Compare Seed-2.0-Lite from bytedance-seed and Sonar Reasoning Pro from Perplexity 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 bytedance-seed
Seed-2.0-Lite
Favicon for perplexity
Sonar Reasoning Pro
Favicon for bytedance-seed
Seed-2.0-Lite
Favicon for perplexity
Sonar Reasoning Pro

Overview

Seed-2.0-Lite
Author
bytedance-seed
Sonar Reasoning Pro
Author
Perplexity
Seed-2.0-Lite
Context length
262Ktokens
Sonar Reasoning Pro
Context length
128Ktokens
Seed-2.0-Lite
Reasoning
Sonar Reasoning Pro
Reasoning
Seed-2.0-Lite
Input modalities
Sonar Reasoning Pro
Input modalities
Seed-2.0-Lite
Output modalities
Sonar Reasoning Pro
Output modalities

Seed-2.0-Lite vs Sonar Reasoning Pro: side-by-side summary

Seed-2.0-Lite and Sonar Reasoning Pro are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Seed-2.0-Lite, from bytedance-seed, has a 262,144-token context window and is priced at $0.25/M tokens input, $2/M tokens output on OpenRouter.

Sonar Reasoning Pro, from Perplexity, has a 128,000-token context window and is priced at $2/M tokens input, $8/M tokens output on OpenRouter.

Context window
  • Seed-2.0-Lite: 262,144 tokens
  • Sonar Reasoning Pro: 128,000 tokens
Price
  • Seed-2.0-Lite: $0.25/M tokens input, $2/M tokens output
  • Sonar Reasoning Pro: $2/M tokens input, $8/M tokens output
Provided by
  • Seed-2.0-Lite: bytedance-seed
  • Sonar Reasoning Pro: Perplexity
  • Seed-2.0-Lite model details, providers and pricing
  • Sonar Reasoning Pro model details, providers and pricing

Seed-2.0-Lite vs Sonar Reasoning Pro at a glance

Seed-2.0-Lite vs Sonar Reasoning Pro comparison
AttributeSeed-2.0-LiteSonar Reasoning Pro
Input price$0.25/M tokens$2/M tokens
Output price$2/M tokens$8/M tokens
Context window262,144 tokens128,000 tokens
Intelligence IndexNot available11.8
Coding IndexNot availableNot available
Agentic IndexNot availableNot available
Latency (p50)1.04 s6.36 s
Throughput (p50)56.0 tok/s29.0 tok/s

Benchmark data updated Oct 5, 2026

Frequently asked questions

Which has the longer context window, Seed-2.0-Lite or Sonar Reasoning Pro?

Seed-2.0-Lite has the longer context window at 262,144 tokens, compared with 128,000 tokens for Sonar Reasoning Pro.

Which is faster, Seed-2.0-Lite or Sonar Reasoning Pro?

Seed-2.0-Lite is faster on OpenRouter, generating a median 56.0 tokens per second compared with 29.0 tokens per second for Sonar Reasoning Pro.