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Upstage · model passport

Upstage: Solar Pro 4

solar-pro4
  • Cloud only
  • Proprietary licence
  • 524,288 context
  • Released 2025-04-04(curated)
6/27axes covered
Overall · LMArena
1,386#169 of 396
Best percentile
69.1Coding
Cohort standing
49.8median 47.8

What the data says

Benchmarked on 6 of 27 tracked axes. Every figure below is the model's own published result on that board.

Uneven: 47 percentile points between its best and worst axis — 69.1 pct on Coding versus 22.1 pct on Factuality Arena.

  • Coding69.1 pct1,463Verify →
  • Hard prompts59.1 pct1,409Verify →
  • Instruction following58.8 pct1,378Verify →
  • Overall57.6 pct1,386Verify →
  • WebDev Arena31.7 pct1,371Verify →
  • Factuality Arena22.1 pct1,412Verify →
  • Vision ArenaNot benchmarked
  • Search ArenaNot benchmarked
  • Document ArenaNot benchmarked
  • Agent ArenaNot benchmarked
  • GPQA DiamondNot benchmarked
  • AIME (math)Not benchmarked
  • FrontierMathNot benchmarked
  • SimpleQA VerifiedNot benchmarked
  • ARC-AGI-2Not benchmarked
  • Humanity's Last ExamNot benchmarked
  • SimpleBenchNot benchmarked
  • LiveBenchNot benchmarked
  • BFCL v4 (function calling)Not benchmarked
  • SWE-bench Verified (live board)Not benchmarked
  • Terminal-Bench 4.0Not benchmarked
  • MMLU-Pro (Artificial Analysis)Not benchmarked
  • LiveCodeBench (Artificial Analysis)Not benchmarked
  • IFBench (Artificial Analysis)Not benchmarked
  • HHEM Hallucination (Vectara)Not benchmarked
  • SWE-bench VerifiedNot benchmarked
  • Terminal-BenchNot benchmarked

Percentiles are the model's standing within each board's own population. Axes marked "not benchmarked" have no published result for this model — that is an absence of data, not a low score.

How to run it

Use it hosted

API model IDupstage/solar-pro4
Context length524,288 tokens
Max output131,072 tokens
Input price$0.09 per 1M tokens
Cached input price$0.02 per 1M tokens
Output price$0.36 per 1M tokens

API parameters this endpoint supports

Frequency penaltyInclude reasoningMax tokensParallel Tool CallsPresence penaltyReasoningReasoning effortResponse formatStructured outputsTemperatureTool choiceTool callingTop-p

Example request

curl https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"upstage/solar-pro4","messages":[{"role":"user","content":"Hello"}]}'

View on OpenRouter →

Identifiers, limits and prices are synced from the upstream source shown above. Any field we haven't synced is left out entirely rather than guessed.

  • solar-pro4 stands at 49.8 (raw mean 49.7) — measured on 6 of 27 axes.

    standingtemplateVerify →
  • solar-pro4 stands at 49.8 versus a cohort median of 47.8 across 151 models released within 180 days — above the peer median.

    cohorttemplateVerify →

Every claim is a computed fact from the current board data, phrased by a low-temperature model call and rejected by a validation gate if any number is not in the source row. How the leaderboards work →