Inference
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Upstage

Solar Pro 2

Solar Pro 2 is a reasoning model from Upstage in the Solar family. It has 7 scored results in 4 categories. It has no index.

  • Closed weights
  • Reasoning
  • Input: text
UnrankedEnough results for an index.
IndexAll categories, out of 100.UnrankedMedian 51.0
CoverageIndex weight that has results.55%
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.128KMedian 262K
EloLMArena rating and rank.—Median 1422

Capabilities

Index per category, out of 100.
Out of 100
AgenticMulti-step tasks with tools.1 counted24.0—
CodingCode writing and repair.None counted——
ReasoningLogic problems and puzzles.2 counted22.1—
MultimodalTasks with images and text.None counted——
KnowledgeFacts and expert knowledge.3 counted29.2—
MultilingualTasks in many languages.None counted——
InstructionTasks with strict prompt rules.1 counted20.5—
MathMath problems.None counted——

Results

7 counted
BenchmarkThe benchmark name.ResultThe score from the source.PlacePlace among results on this benchmark.
Critical Physics TasksReasoning0.0%150 / 214
τ²-Bench Tool-Agent-User EvaluationAgentic31.9%111 / 149
Artificial Analysis GPQA DiamondKnowledge56.1%165 / 199
Artificial Analysis IFBenchInstruction33.7%126 / 146
Artificial Analysis Omniscience AccuracyKnowledge16.1%148 / 164
Artificial Analysis Humanity's Last ExamKnowledge3.7%208 / 222
Artificial Analysis Long Context ReasoningReasoning0.0%204 / 217

Sources

BenchLMCC BY-NC 4.0

Questions

What is the context window of Solar Pro 2?
128K tokens.
Is Solar Pro 2 open source?
No. Its weights are not published.

More from Upstage

All models
Solar Open 253.3Solar Pro 452.1Solar Pro 339.2Solar Mini 4Unranked