Inference
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Zyphra

ZAYA1-74B-Preview

ZAYA1-74B-Preview is a reasoning model from Zyphra in the ZAYA1 family. It has 5 scored results in 3 categories. It has no index.

  • Open weights
  • Reasoning
  • Input: text
  • Released 2026-05
UnrankedEnough results for an index.
IndexAll categories, out of 100.UnrankedMedian 51.0
CoverageIndex weight that has results.45%
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.None counted——
CodingCode writing and repair.2 counted39.4—
ReasoningLogic problems and puzzles.None counted——
MultimodalTasks with images and text.None counted——
KnowledgeFacts and expert knowledge.2 counted30.0—
MultilingualTasks in many languages.None counted——
InstructionTasks with strict prompt rules.None counted——
MathMath problems.1 counted40.3—

Results

5 counted
BenchmarkThe benchmark name.ResultThe score from the source.PlacePlace among results on this benchmark.
LiveCodeBench v6Coding65.7%46 / 59
Massive Multitask Language Understanding ProfessionalKnowledge68.1%59 / 75
Software Engineering Benchmark VerifiedCoding53.2%93 / 114
Graduate-Level Google-Proof Q&AKnowledge57.3%116 / 141
AIME 2026Math76.4%30 / 34
GPQA Diamond · BenchLMKnowledge57.3%79 / 84
τ²-Bench Airline DomainAgentic56.1%—

Sources

BenchLMCC BY-NC 4.0

Questions

What is the context window of ZAYA1-74B-Preview?
256K tokens.
Is ZAYA1-74B-Preview open source?
Yes. Its weights are published.
When was ZAYA1-74B-Preview released?
May 2026.

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