Solar Pro 3
Solar Pro 3Alternatives?
CheaperLing 3.0 Flash FinthinkingOpen×4.5-66%$0.06 / $0.18
BetterGPT-5.6 Lunalow+48%-88%$0.01
OpenGLM 5.3max×5.8+2,425%$2.01Reasoning cannot be disabled+3
CheaperAgnes 2.5 Pro Beta×4.1-43%$0.10 / $0.30CheaperLing 3.0 Flash VLthinkingOpen×4-66%$0.06 / $0.18Ling 3.0 Flash FinthinkingOpen×4.5-66%$0.06 / $0.18Agnes 2.5 Pro Beta×4.1-43%$0.10 / $0.30Ling 3.0 Flash VLthinkingOpen×4-66%$0.06 / $0.18Ling 3.0 FlashthinkingOpen×3.1-66%$0.06 / $0.18GPT-5.6 Lunahigh×2.9-45%$0.044GPT-5.6 Lunalow+48%-88%$0.01GPT-5 Minihigh+79%-33%$0.053
Muse Glimmer 30BhighOpen×2.7-28%$0.058
Granite 4.2 30BthinkingOpen+67%-10%$0.072Context: 131K → 128K
Hy3thinkingOpen×2.6-10%$0.072GLM 5.3maxOpen×5.8+2,425%$2.01Reasoning cannot be disabled+3
Qwen3.8 2.4T A95BthinkingOpen×5.7+2,613%$2.16max_tokens range · QwenCloud+4Qwen3.8 27BxhighOpen×5.5+1,168%$1.01max_tokens range · QwenCloud+4GLM 5.3 FlashmaxOpen×5.5+257%$0.28Defaults to max · Self-hosted+4
Kimi K3maxOpen×5.3+2,418%$2.00Sampling parameters are fixed+3History
4 versionsBenchmarks
in Agents & Tool UseFAQ
How much does Solar Pro 3 cost?›
$0.15 per 1M input tokens and $0.60 per 1M output tokens; cached input $0.015 per 1M. A typical benchmark task costs about $0.079 at high effort.
Is Solar Pro 3 free to use?›
There is no free API; the cheapest paid price is $0.15 per 1M input tokens.
How good is Solar Pro 3, and what is it best at?›
#186 of 334 in Chat & Knowledge, #75 of 132 in Coding, #120 of 133 in Agents & Tool Use, #93 of 95 in Writing & Language, #109 of 133 in Vision & Documents. Strongest at: Tool calling, Instructions.
Is Solar Pro 3 better than Nemotron 3.5 Lightning?›
On τ³-Banking · AA, Solar Pro 3 scores 8.7 vs 8.9 — about the same. It is 0% cheaper per task.
How can I use Solar Pro 3?›
Through the API of Upstage.
What is the context window of Solar Pro 3?›
131K tokens, with up to 118K output tokens.
When was Solar Pro 3 released? Is there a newer version?›
Released 2026-04-06. It is the current version in its line.
Is Solar Pro 3 open source?›
No, Solar Pro 3 is a closed model available through an API. The closest open-weights option here is GLM 5.3.
Can Solar Pro 3 read images?›
No, it accepts text only.
What is Solar Pro 3?›
Solar Pro 3 is a closed language model from Upstage, released Apr 2026, the successor to Solar Pro 2.
What are the best alternatives to Solar Pro 3?›
Ling 3.0 Flash Fin (cheaper), GPT-5.6 Luna (better), GLM 5.3 (open weights).