D1 Ultra
Oct 2026
D1 UltraCompare inon
D1 Ultra measured on 8 of 14 Decision models benchmarks8
BenchmarkByScoreRank
No benchmark matches
Alternatives?
ModelScoreCostPer taskWhat changes
CBetterCeleris-1 Decision+48%—$0.04 / —Context: not verified
OpenDecider Flash v1.2-15%—$0.01 / —TBetterJev 1.14+19%—$0.042 / —OpenDecider v1.1 27B-45%——Context: 33K → 8KCOpenClef Omni-46%—$0.15 / —ModelScoreCostPer taskWhat changes
Nothing here yet.
ModelScoreCostPer taskWhat changes
CCeleris-1 Decision+48%—$0.04 / —Context: not verifiedTJev 1.14+19%—$0.042 / —ModelScoreCostPer taskWhat changes
Decider Flash v1.2Open-15%—$0.01 / —Decider v1.1 27BOpen-45%——Context: 33K → 8KCClef OmniOpen-46%—$0.15 / —Decider v1.2Open-55%—$0.02 / —CClef FlashOpen-69%—$0.038 / —Context: 33K → 25KModelScoreCostPer taskWhat changes
D1-69%—$0.02 / —D1 3BOpenn/a——D1 Omni 600MOpenn/a——Context: 33K → 16KAll Liquid AI models →Benchmarks
in Decision modelsAA Decision Index v1.065.2#1
FAQ
How much does D1 Ultra cost?›
$0.042 per 1M input tokens and — per 1M output tokens; cached input $0.042 per 1M.
Is D1 Ultra free to use?›
There is no free API; the cheapest paid price is $0.042 per 1M input tokens.
How good is D1 Ultra, and what is it best at?›
#1 of 15 in Decision models.
Is D1 Ultra better than Jev 1.14?›
On AA Decision time per task v1.0, D1 Ultra scores 93 vs 78 — lower.
How can I use D1 Ultra?›
Through the API of OpenRouter.
What is the context window of D1 Ultra?›
33K tokens.
When was D1 Ultra released? Is there a newer version?›
Released 2026-10-15. It is the current version in its line.
Is D1 Ultra open source?›
No, D1 Ultra is a closed model available through an API. The closest open-weights option here is Decider Flash v1.2.
Can D1 Ultra read images?›
It accepts text and images as input.
What is D1 Ultra?›
D1 Ultra is a closed language model from Liquid AI, released Oct 2026.
What are the best alternatives to D1 Ultra?›
Celeris-1 Decision (better), Decider Flash v1.2 (open weights).