Grok 4.20 vs Seed-2.0-Lite: side-by-side summary

Grok 4.20 and Seed-2.0-Lite are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Grok 4.20, from SpaceXAI, has a 2,000,000-token context window and is priced at $1.25/M tokens input, $2.50/M tokens output on OpenRouter.

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.

Context window

• Grok 4.20: 2,000,000 tokens
• Seed-2.0-Lite: 262,144 tokens

Price

• Grok 4.20: $1.25/M tokens input, $2.50/M tokens output
• Seed-2.0-Lite: $0.25/M tokens input, $2/M tokens output

Provided by

• Grok 4.20: SpaceXAI
• Seed-2.0-Lite: bytedance-seed

• Grok 4.20 model details, providers and pricing
• Seed-2.0-Lite model details, providers and pricing