Decider v1.2

Oct 2026
Decider v1.2
Compare in
on
—per task?
$0.02 / —per 1M in / out?
—output speed?
262Kcontext

Ranking?

Full ranking →
1D1 Ultra92.62Decider v1.287.73Celeris-1 Decision83.74GLiDE83.75Microsoft Decision 181.9

Run it yourself

estimate
Fits on✗ 8 GB (phone, laptop)✓ 16 GB · compressed✓ 24 GB GPU · compressed✓ 48 GB GPU · 8-bit✓ 80 GB GPU · full quality
LicenceApache-2.0free for commercial use

Benchmarks

in Decision models
AA Decision Index v1.056.2#4
AA Decision cost per task v1.00#2
AA Decision time per task v1.0206#9
AA Decision · Omniscience accuracy39.4#4
AA Decision · Omniscience non-hallucination rate16.5#6
AA Decision · Humanity's Last Exam text multiple-choice accuracy14.6#5
AA Decision · When2Call accuracy87.7#2
AA Decision · WildGuardTest average F194.4#3
Community Decision Index 0.4.168#2

FAQ

How much does Decider v1.2 cost?›

$0.02 per 1M input tokens and — per 1M output tokens.

Is Decider v1.2 free to use?›

There is no free API; the cheapest paid price is $0.02 per 1M input tokens. The weights are open, so you can run it yourself.

How good is Decider v1.2, and what is it best at?›

#4 of 15 in Decision models.

Is Decider v1.2 better than D1 Ultra?›

On AA Decision · When2Call accuracy, Decider v1.2 scores 87.7 vs 92.6 — lower.

How can I use Decider v1.2?›

Through the API of Perplexity, OpenRouter.

What is the context window of Decider v1.2?›

262K tokens.

When was Decider v1.2 released? Is there a newer version?›

Released 2026-10-15. It is the current version in its line.

Is Decider v1.2 open source?›

Yes, the weights are open (Apache-2.0 licence).

Can I run Decider v1.2 locally?›

The weights are open and can be self-hosted; hardware needs are not confirmed yet.

Can Decider v1.2 read images?›

It accepts text and images as input.

What is Decider v1.2?›

Decider v1.2 is an open-weights language model from Perplexity, released Oct 2026.

What are the best alternatives to Decider v1.2?›

D1 Ultra (better), Decider v1.1 27B (open weights).