Cogito v2.1 671Bon Krater.ai

Cogito v2.1 671B MoE represents one of the strongest open models globally, matching performance of frontier closed and open models. This model is trained using self play with reinforcement learning

Released November 13, 2025

Specifications

Cogito v2.1 671B at a glance

Context

128K tokens

Input

Text

Output

Text

Input price

$1.25 / 1M

Output price

$1.25 / 1M

Structured outputsReasoning support

Capabilities

What it is good at

Catalog capabilities

  • Generates text responses
  • Supports structured outputs

Good for

Long documentsStructured responsesDeep analysis

FAQ

Questions about Cogito v2.1 671B

Clear answers based on the model catalog and Krater access.

Cogito v2.1 671B supports a context window of 128,000 tokens.

Use Cogito v2.1 671B in your API

Connect with Krater's unified API.

API access

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