Solar Open 100B
Dec 2025
Solar Open 100BCompare inon
Benchmarks of Solar Open 100B11
BenchmarkByScoreRank
Overall1
Knowledge4
Science2
Coding1
Documents1
Legacy · saturated or no longer reported2
No benchmark matches
—per task?
self-host onlyprice
—output speed?
128Kcontext
Ranking?
Alternatives?
ModelScoreCostPer taskWhat changes
BetterGPT-6 Lunalow+6%—$0.005Function calling only with none · Chat Completions+3OOpenMiniCPM5 1Bnon-thinking×99.5——
BetterGranite 4.2 3BthinkingOpen×3.4—$0.006
BetterMinistral 3 3B 2512Open+12%—$0.008
BetterGemma 4 E4BthinkingOpen×2.9—$0.008ModelScoreCostPer taskWhat changes
Nothing here yet.
ModelScoreCostPer taskWhat changes
GPT-6 Lunalow+6%—$0.005Function calling only with none · Chat Completions+3Granite 4.2 3BthinkingOpen×3.4—$0.006Ministral 3 3B 2512Open+12%—$0.008Gemma 4 E4BthinkingOpen×2.9—$0.008GPT-5.6 Lunanon-thinking+20%—$0.01
Run it yourself
estimateFits on✗ 8 GB (phone, laptop)✗ 16 GB✗ 24 GB GPU✗ 48 GB GPU✓ 80 GB GPU · compressed
Licenceupstage-solar-licensecommercial use with conditions
Benchmarks
all categoriesChat & Knowledge
Humanity's Last Exam10.4#185
AA Omniscience Index-54.5#234
CritPt (physics)0#180
AA Intelligence Index 4.3.2≈10.4#204
AA Omniscience · Accuracy18.5#175
GPQA Diamond65.7#211
Coding
Agents & Tool Use
τ²-bench · AA48.2#114
Writing & Language
IFBench (instructions)57.7#92
FAQ
How much does Solar Open 100B cost?›
There is no per-unit API price: self-host only.
Is Solar Open 100B free to use?›
There is no free API. The weights are open, so you can run it yourself.
How good is Solar Open 100B, and what is it best at?›
#184 of 334 in Chat & Knowledge, #181 of 239 in Coding, #112 of 242 in Agents & Tool Use, #92 of 245 in Writing & Language.
Is Solar Open 100B better than Ling Flash 2.0?›
On AA Omniscience · Hallucination Rate, Solar Open 100B scores 89.6 vs 89.5 — about the same.
What is the context window of Solar Open 100B?›
128K tokens.
When was Solar Open 100B released? Is there a newer version?›
Released 2025-12-17. It is the current version in its line.
Is Solar Open 100B open source?›
Yes, the weights are open (upstage-solar-license licence).
Can I run Solar Open 100B locally?›
The weights are open and can be self-hosted; hardware needs are not confirmed yet.
Can Solar Open 100B read images?›
No, it accepts text only.
What is Solar Open 100B?›
Solar Open 100B is an open-weights language model from Upstage, released Dec 2025.
What are the best alternatives to Solar Open 100B?›
GPT-6 Luna (better), MiniCPM5 1B (open weights).