Solar Pro 2 (Preview)
May 2025
Solar Pro 2 (Preview)Compare inon
Benchmarks of Solar Pro 2 (Preview)4
BenchmarkByScoreRank
Overall1
Science1
Legacy · saturated or no longer reported2
No benchmark matches
—per task?
API price not publicprice
—output speed?
64Kcontext
Rankingat high effort?
Strong at
Alternatives?
ModelScoreCostPer taskWhat changes
BetterGPT-5.6 Lunalow+45%—$0.01
OpenKimi K3max+62%—$2.00Sampling parameters are fixed+3BetterGPT OSS 20BhighOpen+19%—$0.011
BetterNemotron 3 Nano 30B A3BthinkingOpen+31%—$0.017
BetterMistral Small 4thinkingOpen+33%—$0.017ModelScoreCostPer taskWhat changes
Nothing here yet.
ModelScoreCostPer taskWhat changes
GPT-5.6 Lunalow+45%—$0.01GPT OSS 20BhighOpen+19%—$0.011Nemotron 3 Nano 30B A3BthinkingOpen+31%—$0.017Mistral Small 4thinkingOpen+33%—$0.017
DeepSeek V3 0324non-thinkingOpen+13%—$0.021ModelScoreCostPer taskWhat changes
Kimi K3maxOpen+62%—$2.00Sampling parameters are fixed+3
Qwen3.8 2.4T A95BthinkingOpen+62%—$2.16max_tokens range · QwenCloud+4
MiniMax M3thinkingOpen+61%—$0.51Deployment status experimental · Self-hostedDeepSeek V4 Pro 0813maxOpen+61%—$0.67Pass back reasoning_content · Chat Completions+4Qwen3.8 FlashthinkingOpen+60%—$0.37max_tokens range · QwenCloud+5History
4 versionsBenchmarks
all categoriesChat & Knowledge
Humanity's Last Exam6.1#251
AA Intelligence Index 4.3.2≈9.1#228
GPQA Diamond57.8#235
Coding
LiveCodeBench · AA archived46.2#97
FAQ
How much does Solar Pro 2 (Preview) cost?›
There is no per-unit API price: API price not public.
Is Solar Pro 2 (Preview) free to use?›
There is no free API.
How good is Solar Pro 2 (Preview), and what is it best at?›
#249 of 336 in Chat & Knowledge, #97 of 152 in Coding.
Is Solar Pro 2 (Preview) better than Sonar Pro?›
On GPQA Diamond, Solar Pro 2 (Preview) scores 57.8 vs 57.8 — about the same.
What is the context window of Solar Pro 2 (Preview)?›
64K tokens.
When was Solar Pro 2 (Preview) released? Is there a newer version?›
Released 2025-05-20. It has been superseded by Solar Pro 2.
Is Solar Pro 2 (Preview) open source?›
No, Solar Pro 2 (Preview) is a closed model available through an API. The closest open-weights option here is Kimi K3.
Can Solar Pro 2 (Preview) read images?›
No, it accepts text only.
What is Solar Pro 2 (Preview)?›
Solar Pro 2 (Preview) is a closed language model from Upstage, released May 2025.
What are the best alternatives to Solar Pro 2 (Preview)?›
GPT-5.6 Luna (better), Kimi K3 (open weights).