Upstage · model passport
Upstage: Solar Pro 4
solar-pro4- Cloud only
- Proprietary licence
- 524,288 context
- Released 2025-04-04(curated)
- 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
upstage/solar-pro4API parameters this endpoint supports
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"}]}'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.
solar-pro4 stands at 49.8 versus a cohort median of 47.8 across 151 models released within 180 days — above the peer median.
solar-pro4 ranks between #99 and #636 across 6 built-in weightings — best under "Agentic", worst under "All sources".
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 →