Inference
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Shanghai Artificial Intelligence Laboratory

Atria Dawn Preview

Atria Dawn Preview is a reasoning model from Shanghai Artificial Intelligence Laboratory in the Atria Dawn family. It has 10 scored results in 2 categories. It has no index.

  • Open weights
  • Reasoning
  • Input: text
  • Released 2026-09
UnrankedEnough results for an index.
IndexAll categories, out of 100.UnrankedMedian 51.0
CoverageIndex weight that has results.40%
SpeedOutput tokens per second.—Median 67/s
First tokenSeconds to the first output token.—Median 1.3 s
Input / 1MUS dollars per 1M input tokens.—Median $0.60
Output / 1MUS dollars per 1M output tokens.—Median $2.55
ContextMaximum tokens in one request.256KMedian 262K
EloLMArena rating and rank.—Median 1422

Capabilities

Index per category, out of 100.
Out of 100
AgenticMulti-step tasks with tools.9 counted64.1—
CodingCode writing and repair.1 counted59.6—
ReasoningLogic problems and puzzles.None counted——
MultimodalTasks with images and text.None counted——
KnowledgeFacts and expert knowledge.None counted——
MultilingualTasks in many languages.None counted——
InstructionTasks with strict prompt rules.None counted——
MathMath problems.None counted——

Results

10 counted
BenchmarkThe benchmark name.ResultThe score from the source.PlacePlace among results on this benchmark.
BrowseCompAgentic92.5%1 / 63
DeepSearchQAAgentic96.0%1 / 24
Berkeley Function Calling Leaderboard v4Agentic77.0%2 / 26
WideResearchAgentic81.9%3 / 16
AutomationBenchAgentic53.8%6 / 32
CyberGymAgentic86.5%6 / 29
SWE-bench ProCoding59.6%33 / 83
JobBenchAgentic50.3%16 / 36
Terminal-Bench 2.1 · BenchLMAgentic78.3%41 / 86
τ³-Bench Tool-Agent-User EvaluationAgentic41.2%19 / 32
MLE-Bench LiteAgentic86.2%—

Sources

BenchLMCC BY-NC 4.0

Questions

What is the context window of Atria Dawn Preview?
256K tokens.
Is Atria Dawn Preview open source?
Yes. Its weights are published.
When was Atria Dawn Preview released?
September 2026.