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Cogito v2.1 671B

Deep Cogito · released November 2025

Cogito v2.1 671B is a Deep Cogito model with a 128K token context window — about 180 pages of text. It reads Text and replies in Text. It can show its reasoning before it answers.

$1.44

input / 1M tokens

$1.44

output / 1M tokens

128K

context — about 180 pages

0.83¢

a client proposal

Pricing

Input
$1.44 per million tokens
Output
$1.44 per million tokens

Billed from your Alyph wallet. Prices can change when the provider changes theirs — last checked August 9, 2026.

The numbers

Provider
Deep Cogito
Released
November 2025 (2025-11-13)
Context window
128K tokens — about 180 pages
Max output
Not specified
Input
Text
Output
Text
Reasoning
Shows its thinking before answering

Cost vs Token Amount

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80% Input20% Output
free$0.72$1.440 tokens250k500k750k1000k
Cogito v2.1 671B

Adjust the ratio slider to change how output tokens influence the final price for equivalent workloads.

What a task costs

2K tokens in · 500 tokens out.

Cogito v2.1 671B

Deep Cogito

0.36¢

for this task

80% input · 20% output

Full pricing →

Your $5 welcome credit covers about 1,391 of these.

Compare Cogito v2.1 671B

Closest in price on a typical task:

Cogito v2.1 671B vs GLM 5.1 →Cogito v2.1 671B vs GPT-5.4 Mini →Cogito v2.1 671B vs Hermes 4 405B →Cogito v2.1 671B vs Relace Search →Any other combination →

Questions, answered

How much does Cogito v2.1 671B cost on Alyph?

Cogito v2.1 671B costs $1.44 per million input tokens and $1.44 per million output tokens on Alyph. A typical task — 5K tokens in, 800 out — works out to about 0.83¢. Billed from your Alyph wallet, with hard spending limits. Prices can change when the provider changes theirs; this page was last checked on August 9, 2026.

What is Cogito v2.1 671B's context window?

128K tokens — about 180 pages.

Can Cogito v2.1 671B read images and files?

Cogito v2.1 671B is text-only. The canvas still serializes uploads into plain text, so you can work with files — but it cannot see images.

Does Cogito v2.1 671B show its reasoning?

Yes. Cogito v2.1 671B can expose its thinking before the final answer, so you can watch how it got there.

Test Cogito v2.1 671B against GLM 5.1

One prompt, both models at the same time, the better answer wins. Free to start, with $5 of credit.

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