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  1. Home
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  3. Compare

Seed 1.6 Flash vs Cogito v2.1 671B

Compare Seed 1.6 Flash from bytedance-seed and Cogito v2.1 671B from deepcogito 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 1.6 Flash
Favicon for deepcogito
Cogito v2.1 671B
Favicon for bytedance-seed
Seed 1.6 Flash
Favicon for deepcogito
Cogito v2.1 671B

Overview

Seed 1.6 Flash
Author
bytedance-seed
Cogito v2.1 671B
Author
deepcogito
Seed 1.6 Flash
Context length
262Ktokens
Cogito v2.1 671B
Context length
128Ktokens
Seed 1.6 Flash
Reasoning
Cogito v2.1 671B
Reasoning
Seed 1.6 Flash
Input modalities
Cogito v2.1 671B
Input modalities
Seed 1.6 Flash
Output modalities
Cogito v2.1 671B
Output modalities

Seed 1.6 Flash vs Cogito v2.1 671B: side-by-side summary

Seed 1.6 Flash and Cogito v2.1 671B are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Seed 1.6 Flash, from bytedance-seed, has a 262,144-token context window and is priced at $0.075/M tokens input, $0.30/M tokens output on OpenRouter.

Cogito v2.1 671B, from deepcogito, has a 128,000-token context window and is priced by the provider serving it on OpenRouter.

Context window
  • Seed 1.6 Flash: 262,144 tokens
  • Cogito v2.1 671B: 128,000 tokens
Price
  • Seed 1.6 Flash: $0.075/M tokens input, $0.30/M tokens output
  • Cogito v2.1 671B: Pricing varies by provider
Provided by
  • Seed 1.6 Flash: bytedance-seed
  • Cogito v2.1 671B: deepcogito
  • model details, providers and pricing
Seed 1.6 Flash
model details, providers and pricing
Cogito v2.1 671B

Seed 1.6 Flash vs Cogito v2.1 671B at a glance

Seed 1.6 Flash vs Cogito v2.1 671B comparison
Seed 1.6 FlashCogito v2.1 671B
Input price$0.075/M tokensPricing varies by provider
Output price$0.30/M tokensPricing varies by provider
Context window262,144 tokens128,000 tokens
Intelligence IndexNot availableNot available
Coding IndexNot availableNot available
Agentic IndexNot availableNot available
Latency (p50)0.68 sNot available
Throughput (p50)52.0 tok/sNot available

Oct 5, 2026

Which has the longer context window, Seed 1.6 Flash or Cogito v2.1 671B?

Seed 1.6 Flash has the longer context window at 262,144 tokens, compared with 128,000 tokens for Cogito v2.1 671B.

Attribute
Benchmark data updated
Frequently asked questions