Cogito v2.1 671B vs Relace Search

Cogito v2.1 671B at $1.44 in and $1.44 out and Relace Search at $1.15 in and $3.45 out — per million tokens, from the same wallet.

Cogito v2.1 671B

Deep Cogito

0.83¢

for a client proposal

$1.44 in · $1.44 out / 1M

128K context · released November 2025

Full page →

Relace Search

Relace

0.85¢

for a client proposal

$1.15 in · $3.45 out / 1M

256K context · released December 2025

Full page →

Asking all both at once — identical prompt, identical context — costs about 1.7¢ for a typical client proposal.

At a glance

Cheapest input: Relace Search at $1.15 per million tokens.
Cheapest output: Cogito v2.1 671B at $1.44 per million tokens.
Largest context: Relace Search at 256K tokens — about 370 pages.

Cost per task

Estimated totals at the rates above. Solid bar is input, lighter bar is output.

Quick code fix

2K in · 500 out

Cogito v2.1 671B

0.36¢

Relace Search

0.4¢

Draft a client proposal from notes

5K in · 800 out

Cogito v2.1 671B

0.83¢

Relace Search

0.85¢

Context-heavy session (Alyph workspace)

155K in · 4K out

Cogito v2.1 671B

needs 155K ctx

Relace Search

$0.19

Analyze a 50-page legal contract

35K in · 1K out

Cogito v2.1 671B

$0.05

Relace Search

4.4¢

Large architecture refactor

250K in · 3K out

Cogito v2.1 671B

needs 250K ctx

Relace Search

$0.30

Solid part of each bar is input tokens, the lighter part is output. Models that don’t fit a task are marked instead of priced.

Cost vs Token Amount

Drag the slider to adjust the split between input and output workload.

80% Input20% Output

Cogito v2.1 671B

Relace Search

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

Pricing

Cogito v2.1 671B

Relace Search

Input / 1M tokens

$1.44

$1.15

Output / 1M tokens

$1.44

$3.45

Specs

Cogito v2.1 671B

Relace Search

Provider

Deep Cogito

Relace

Released

November 2025

December 2025

Context window

128K

256K

Max output

—

128K

Input

Text

Output

Text

Reasoning

Shows its thinking

Answers directly

Knowledge cutoff

—

Try it with real numbers

2K tokens in · 500 tokens out.

Cogito v2.1 671B

Deep Cogito

0.36¢

for this task

80% input · 20% output

Full pricing →

Relace Search

Relace

0.4¢

for this task

57% input · 43% output

Full pricing →

All 2, same prompt and context: 0.76¢. That is the entire cost of the comparison.

Your $5 welcome credit covers about 656 of these.

Which should you pick?

For long documents, Relace Search has the largest context window here — 256K tokens.

On price, Cogito v2.1 671B is the cheapest of the two on a typical task, at about 0.83¢.

If you want to watch the model think, Cogito v2.1 671B shows reasoning; the other answers directly.

Or don’t pick. Send the identical prompt to all both, read the answers side by side, and keep the winner. How to run a fair bake-off →

Cogito v2.1 671B pricing →Relace Search pricing →Add Lyria 3 Clip Preview Add Grok 4.20

Questions, answered

Which is cheaper, Cogito v2.1 671B or Relace Search?

On a typical client proposal (5K tokens in, 800 out): Cogito v2.1 671B at 0.83¢; Relace Search at 0.85¢. Long prompts can change the order when long-context rates apply.

Which has the largest context window?

Relace Search — 256K tokens, about 370 pages.

Can I run Cogito v2.1 671B and Relace Search side by side on Alyph?

Yes — that is what Alyph is built for: the identical prompt with identical context to all 2, answers rendered side by side, billed from one wallet. This exact combination costs about 1.7¢ for a typical task.

Ask both at once

Identical prompt, identical context, answers side by side — about 1.7¢ for a typical client proposal. Free to start, with $5 of credit.