D1
Oct 2026
D1Compare inon
D1 measured on 8 of 12 Decision models benchmarks8
BenchmarkByScoreRank
No benchmark matches
Alternatives?
ModelScoreCostPer taskWhat changes
BetterD1 Ultra+30%—$0.042 / —Context: 66K → 33K
OpenDecider v1.2+12%—$0.02 / —TBetterJev 1.13+14%—$0.042 / —Context: 66K → 64KTBetterJev 1.14+13%—$0.042 / —Context: 66K → 64KFBetterGLiDEunstated+7%—$0.15 / —Context: 66K → 40KModelScoreCostPer taskWhat changes
Nothing here yet.
ModelScoreCostPer taskWhat changes
D1 Ultra+30%—$0.042 / —Context: 66K → 33KTJev 1.13+14%—$0.042 / —Context: 66K → 64KTJev 1.14+13%—$0.042 / —Context: 66K → 64KDecider v1.2Open+12%—$0.02 / —FGLiDEunstated+7%—$0.15 / —Context: 66K → 40KModelScoreCostPer taskWhat changes
Decider v1.2Open+12%—$0.02 / —Decider v1.1 27BOpen+6%——Context: 66K → 8KDecider Flash v1.2Opensame—$0.01 / —CClefOpen-3%—$0.24 / —CClef FlashOpen-9%—$0.038 / —Context: 66K → 25KModelScoreCostPer taskWhat changes
D1 Ultra+30%—$0.042 / —Context: 66K → 33KD1 3BOpenn/a——Context: 66K → 33KD1 Omni 600MOpenn/a——Context: 66K → 16KAll Liquid AI models →Benchmarks
in Decision modelsAA Decision Index v1.050.3#10
FAQ
How much does D1 cost?›
$0.02 per 1M input tokens and — per 1M output tokens.
Is D1 free to use?›
There is no free API; the cheapest paid price is $0.02 per 1M input tokens.
How good is D1, and what is it best at?›
#10 of 15 in Decision models.
Is D1 better than Celeris-1 Decision?›
On AA Decision Index v1.0, D1 scores 50.3 vs 52.3 — lower.
How can I use D1?›
Through the API of OpenRouter.
What is the context window of D1?›
66K tokens.
When was D1 released? Is there a newer version?›
Released 2026-10-05. It is the current version in its line.
Is D1 open source?›
No, D1 is a closed model available through an API. The closest open-weights option here is Decider v1.2.
Can D1 read images?›
It accepts text and images as input.
What is D1?›
D1 is a closed language model from Liquid AI, released Oct 2026.
What are the best alternatives to D1?›
D1 Ultra (better), Decider v1.2 (open weights).