Solar Mini 4 pricing
$0.05 per 1M input tokens and $0.20 per 1M output tokens. In real work that is 0.13¢ per chat answer and 0.10¢ to summarize a 20-page PDF.
What Solar Mini 4 costs per task
Token counts estimated from a measured model of the same lab (DeepSeek V4.1 Flash), rescaled by tokenizer. Reasoning tokens are billed as output.
| Task | Cost | Tokens used | Price rank | Basis |
|---|---|---|---|---|
| Answer a chat question | 0.13¢$1.27 / 1,000 | 64 in · 855 out · 5,461 reasoning | 123 of 336 | estimated |
| Reply to a customer email | 0.04¢$0.41 / 1,000 | 277 in · 224 out · 1,749 reasoning | 96 of 336 | estimated |
| Write a 1,500-word blog post | 0.06¢$0.61 / 1,000 | 80 in · 2,221 out · 809 reasoning | 11 of 336 | estimated |
| Write 10 product descriptions | 0.06¢$0.56 / 1,000 | 305 in · 866 out · 1,842 reasoning | 19 of 336 | estimated |
| Translate 1,000 words | 0.24¢$2.41 / 1,000 | 1,348 in · 1,411 out · 10,291 reasoning | 113 of 336 | estimated |
| Proofread one page (500 words) | 0.06¢$0.56 / 1,000 | 743 in · 657 out · 1,954 reasoning | 60 of 336 | estimated |
| Summarize a 20-page PDF | 0.10¢$1.04 / 1,000 | 12,918 in · 425 out · 1,565 reasoning | 21 of 336 | estimated |
| Extract data from an invoice | 0.06¢$0.60 / 1,000 | 393 in · 447 out · 2,436 reasoning | 61 of 336 | estimated |
| Analyze a 200-row spreadsheet | ≥0.34¢$3.44 / 1,000 | 4,781 in · 0 out · 16,000 reasoning | 42 of 336 | estimated |
| Answer from 5 retrieved documents (RAG) | 0.09¢$0.93 / 1,000 | 3,681 in · 645 out · 3,102 reasoning | 48 of 336 | estimated |
| Classify 100 support tickets | 0.10¢$1.05 / 1,000 | 1,290 in · 459 out · 4,462 reasoning | 33 of 336 | estimated |
| Review 500 lines of code | ≥0.34¢$3.44 / 1,000 | 4,781 in · 0 out · 16,000 reasoning | 46 of 336 | estimated |
| Write a SQL query | 0.04¢$0.43 / 1,000 | 144 in · 404 out · 1,723 reasoning | 37 of 336 | estimated |
| Run a 50-step coding agent | 3.5¢$35.26 / 1,000 | 2,226,312 in · 14,925 out · 87,450 reasoning | 11 of 336 | modeled |
Price at every provider
List prices per 1M tokens (input / output) at each host serving Solar Mini 4 through OpenRouter today. Hosts can differ in quantization, context and speed.
| Provider | Input / output | Cached input | Context | Uptime |
|---|---|---|---|---|
| U Upstageunknown | $0.05 / $0.20 | $0.005 | 524K | 100% |
| U Upstageunknown | $0.05 / $0.20 | $0.005 | 524K | 100% |
Price history
First seen in our price history on Sep 29, 2026 at $0.05 input / $0.20 output. The list price has not changed since.
FAQ
How much does Solar Mini 4 cost?
Solar Mini 4 costs $0.05 per 1 million input tokens and $0.20 per 1 million output tokens, with cached input at $0.005 (list price on Oct 18, 2026). In practice one chat answer costs about 0.13¢ and summarizing a 20-page PDF about 0.10¢.
Where is Solar Mini 4 cheapest?
Among 2 providers we track, the lowest list price today is at Upstage: $0.05 input and $0.20 output per 1M tokens.
Does Solar Mini 4 charge for reasoning tokens?
Yes. Reasoning (thinking) tokens are billed as output tokens. That is why the cost per task can be much higher than the visible answer suggests - our task costs include them.
Is the Solar Mini 4 cost per task measured or estimated?
Estimated: Solar Mini 4 was not run directly. Tokens come from DeepSeek V4.1 Flash and are rescaled by the tokenizer of Upstage. Real usage can differ.