Celeris 1

Celeris 1 is a diffusion language model built for ultra-low-latency classification, extraction, judging, query rewriting, and other short structured responses.

Added Jul 25, 2026

Pricing

Auto routing · per 1M tokens
Input
$2.00
Output
$6.00
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Specifications

Context window
8.2K
Max output
8.2K

Benchmarks

Sourced from Artificial Analysis.

Intelligence Index

6.3

Better than 18% of models compared

Coding Index

14.4

Better than 16% of models compared

Agentic work

AutomationBench-AA

Workflow automation with guardrail penalties

0.4%

Better than 7% of models compared

AA-Briefcase

Agentic knowledge work (Elo)

151 Elo

Better than 12% of models compared

GDPval-AA v2

Economically valuable tasks (Elo)

305 Elo

Better than 17% of models compared

Document reasoning

GDP.pdf

Professional PDF reasoning: all-pass rate

1.2%

Better than 9% of models compared

AA-LCR v1.1

Long context reasoning with updated grading

38.0%

Better than 35% of models compared

Reasoning

HLE

Humanity's Last Exam

6.8%

Better than 40% of models compared

Coding

Terminal-Bench v4.0

Practical coding and terminal tasks

0.0%

Better than 16% of models compared

SciCode

Python programming for scientific computing

21.6%

Better than 3% of models compared

Knowledge

MMLU-Pro

Professional and academic subject knowledge

78.0%

Better than 59% of models compared

Legacy benchmarks

GPQA Diamond (legacy)

Graduate-level scientific reasoning

63.1%

Better than 38% of models compared

AA-LCR (unversioned / legacy)

Long context reasoning evaluation

38.0%

Better than 34% of models compared

Last updated Oct 14, 2026

Artificial Analysis

Providers

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