Solar Pro 3
Solar Pro 3Alternatives?
CheaperMiMo v2.6 FlashthinkingOpen+22.7-21%$0.062Pass back reasoning_content+3
BetterGPT-6 Lunamedium+2.5-78%$0.017Function calling only with none · Chat Completions+3
OpenGLM 5.3max+41.9+2,425%$2.01Reasoning cannot be disabled+3
CheaperClaude Haiku 5.5medium+15.2-41%$0.047Remove sampling parameters+5CheaperGPT-5.6 Lunahigh+2.5-45%$0.044MiMo v2.6 FlashthinkingOpen+22.7-21%$0.062Pass back reasoning_content+3Claude Haiku 5.5medium+15.2-41%$0.047Remove sampling parameters+5GPT-6 Lunamax+12.6-15%$0.068Function calling only with none · Chat Completions+3GPT-5.6 Lunahigh+2.5-45%$0.044
Muse Glimmer 30BhighOpensame-28%$0.058GPT-6 Lunamedium+2.5-78%$0.017Function calling only with none · Chat Completions+3Claude Haiku 5.5low+12.6-69%$0.024Remove sampling parameters+5GPT-5.6 Lunahigh+2.5-45%$0.044MiMo v2.6 FlashthinkingOpen+22.7-21%$0.062Pass back reasoning_content+3GPT-6.1 Sollow+30.8+65%$0.13Remove unsupported parameters+5GLM 5.3maxOpen+41.9+2,425%$2.01Reasoning cannot be disabled+3MiMo v2.6 ProthinkingOpen+34.8+68%$0.13Pass back reasoning_content+3
DeepSeek V4.1 Flash 1017maxOpen+33.8+230%$0.26Pass back reasoning_content · Chat Completions+4
Ling 3.1 FlashOpen+33.3+1,159%$1.00
Step 5 PreviewthinkingOpen+33.3+1,192%$1.03web_search not available · Chat Completions+2History
4 versionsFAQ
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 Qwen3.6 35B A3B?›
On Terminal-Bench 4.0, Solar Pro 3 scores 0 vs 0 — about the same. It is 83% 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?›
MiMo v2.6 Flash (cheaper), GPT-6 Luna (better), GLM 5.3 (open weights).