Solar Mini 4
Solar Mini 4Alternatives?
CheaperMiMo v2.6 ProthinkingOpen+28%-74%$0.13Pass back reasoning_content+3
BetterGPT-6 Lunamedium+7%-97%$0.017Function calling only with none · Chat Completions+3CheaperGPT-5.6 Sollow+18%-49%$0.26
CheaperDeepSeek V4.1 Flash 1017maxOpen+18%-49%$0.26Pass back reasoning_content · Chat Completions+4CheaperGPT-6.1 Solhigh+17%-38%$0.32Remove unsupported parameters+5MiMo v2.6 ProthinkingOpen+28%-74%$0.13Pass back reasoning_content+3GPT-5.6 Sollow+18%-49%$0.26DeepSeek V4.1 Flash 1017maxOpen+18%-49%$0.26Pass back reasoning_content · Chat Completions+4GPT-6.1 Solhigh+17%-38%$0.32Remove unsupported parameters+5GPT-6.1 Terramax+16%-22%$0.40GPT-6 Lunamedium+7%-97%$0.017Function calling only with none · Chat Completions+3GPT-5.6 Lunahigh+9%-91%$0.044GPT-6.1 Terralow+10%-89%$0.055MiMo v2.6 FlashthinkingOpen+8%-88%$0.062Pass back reasoning_content+3TInkling SmallthinkingOpen+4%-83%$0.089Context: 524K → 256K+1MiMo v2.6 ProthinkingOpen+28%-74%$0.13Pass back reasoning_content+3
Kimi K3maxOpen+25%+289%$2.00Sampling parameters are fixed+3
GLM 5.3maxOpen+24%+290%$2.01Reasoning cannot be disabled+3
Step 5 PreviewthinkingOpen+24%+100%$1.03web_search not available · Chat Completions+2
Muse Spark OpenxhighOpen+23%+64%$0.84Reasoning off leaves output unchanged · Self-hosted / llama.cpp+1Solar Open2 250BOpensame——Solar Pro 4thinkingsame+38%$0.71Solar Pro 3high-46%-89%$0.058Context: 524K → 131KSolar Open 100BOpenn/a——Context: 524K → 128KSolar Pro 2highn/a—$0.15 / $0.60Context: 524K → 66KSolar Pro 2 (Preview)highn/a——Context: 524K → 64KAll Upstage models →FAQ
How much does Solar Mini 4 cost?›
$0.05 per 1M input tokens and $0.20 per 1M output tokens; cached input $0.005 per 1M. A typical benchmark task costs about $0.51 at default effort.
Is Solar Mini 4 free to use?›
There is no free API; the cheapest paid price is $0.10 per 1M input tokens.
How good is Solar Mini 4, and what is it best at?›
#101 of 336 in Chat & Knowledge, #56 of 134 in Coding, #59 of 135 in Agents & Tool Use, #89 of 135 in Vision & Documents. Strongest at: Long context.
Is Solar Mini 4 better than Nemotron 3.5 Super VL?›
On SciCode, Solar Mini 4 scores 47.6 vs 47.8 — about the same. It is 178% more expensive per task.
How can I use Solar Mini 4?›
Through the API of Upstage.
What is the context window of Solar Mini 4?›
524K tokens, with up to 131K output tokens.
When was Solar Mini 4 released? Is there a newer version?›
Released 2026-09-22. It is the current version in its line.
Is Solar Mini 4 open source?›
No, Solar Mini 4 is a closed model available through an API. The closest open-weights option here is MiMo v2.6 Pro.
Can Solar Mini 4 read images?›
No, it accepts text only.
What is Solar Mini 4?›
Solar Mini 4 is a closed language model from Upstage, released Sep 2026.
What are the best alternatives to Solar Mini 4?›
MiMo v2.6 Pro (cheaper), GPT-6 Luna (better).