Solar Mini 4
Solar Mini 4Alternatives?
CheaperMiniMax M3.1 Flashthinking×3.3-40%$0.22Complete model response must be appended
BetterGPT-6 Lunamedium+82%-95%$0.017Function calling only with none · Chat Completions+3
OpenDeepSeek V4.1 Flash 1017max×3-28%$0.26Pass back reasoning_content · Chat Completions+4CheaperGPT-6.1 Solhigh×2.9-13%$0.32Remove unsupported parameters+5
CheaperMiMo v2.6 FlashthinkingOpen×2.9-83%$0.062Pass back reasoning_content+3MiniMax M3.1 Flashthinking×3.3-40%$0.22Complete model response must be appendedDeepSeek V4.1 Flash 1017maxOpen×3-28%$0.26Pass back reasoning_content · Chat Completions+4GPT-6.1 Solhigh×2.9-13%$0.32Remove unsupported parameters+5MiMo v2.6 FlashthinkingOpen×2.9-83%$0.062Pass back reasoning_content+3
GLM 5.3 FlashmaxOpen×2.7-22%$0.28Defaults to max · Self-hosted+4GPT-6 Lunamedium+82%-95%$0.017Function calling only with none · Chat Completions+3GPT-5.6 Lunahigh+60%-88%$0.044
Claude Haiku 5.5medium+28%-87%$0.047Remove sampling parameters+5MiMo v2.6 FlashthinkingOpen×2.9-83%$0.062Pass back reasoning_content+3GPT-6.1 Sollow×2.4-64%$0.13Remove unsupported parameters+5DeepSeek V4.1 Flash 1017maxOpen×3-28%$0.26Pass back reasoning_content · Chat Completions+4MiMo v2.6 FlashthinkingOpen×2.9-83%$0.062Pass back reasoning_content+3GLM 5.3maxOpen×2.8+449%$2.01Reasoning cannot be disabled+3
Ling 3.1 FlashOpen×2.8+173%$1.00GLM 5.3 FlashmaxOpen×2.7-22%$0.28Defaults to max · Self-hosted+4Benchmarks
in Agents & Tool UseFAQ
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 $0.37 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?›
#99 of 334 in Chat & Knowledge, #54 of 132 in Coding, #57 of 133 in Agents & Tool Use, #87 of 133 in Vision & Documents. Strongest at: Long context.
Is Solar Mini 4 better than Qwen3.7 Max?›
On AutomationBench-AA, Solar Mini 4 scores 22.3 vs 23 — about the same. It is 68% cheaper 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 DeepSeek V4.1 Flash 1017.
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?›
MiniMax M3.1 Flash (cheaper), GPT-6 Luna (better), DeepSeek V4.1 Flash 1017 (open weights).