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
Specifications
- Context window
- 8.2K
- Max output
- 8.2K
Benchmarks
Benchmarks
Sourced from Artificial Analysis.
Agentic work
AutomationBench-AA
Workflow automation with guardrail penalties
0.4%
Better than 6% of models compared
AutomationBench-AA Tasks Completed
Fully completed workflows without guardrail violations
0.2%
Better than 17% of models compared
AA-Briefcase v1.1
Agentic knowledge work (Elo)
152 Elo
Better than 10% of models compared
GDPval-AA v2.1
Economically valuable tasks (Elo)
309 Elo
Better than 16% 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 33% of models compared
Reasoning
HLE
Humanity's Last Exam
6.8%
Better than 39% of models compared
Coding
Terminal-Bench v4.0
Practical coding and terminal tasks
0.0%
Better than 15% 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 33% of models compared
Last updated Nov 3, 2026
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