Claude Opus 4.7 (Fast) vs Seed-2.0-Lite: side-by-side summary

Claude Opus 4.7 (Fast) 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.

Claude Opus 4.7 (Fast), from Anthropic, has a 1,000,000-token context window and is priced by the provider serving it 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

• Claude Opus 4.7 (Fast): 1,000,000 tokens
• Seed-2.0-Lite: 262,144 tokens

Price

• Claude Opus 4.7 (Fast): Pricing varies by provider
• Seed-2.0-Lite: $0.25/M tokens input, $2/M tokens output

Provided by

• Claude Opus 4.7 (Fast): Anthropic
• Seed-2.0-Lite: bytedance-seed