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Flash — fastest and cheapest, lighter reasoningCommercial API
Solar Mini 4 Pricing
Upstage · upstage-solar-mini4
Input / 1M tokens
$0.050
Output / 1M tokens
$0.200
Context window
524,288 tokens
≈ 699 pages of text
Max output
131,072 tokens
What it costs in practice
Typical request (1,200 in + 400 out tokens)$0.0001
1,000 requests / month$0.14/mo10,000 requests / month$1.40/mo100,000 requests / month$14.00/moEstimate your own workloadOpens the calculator with Solar Mini 4 preloaded — adjust volume and token counts there.
Price history
Only one price point recorded so far.
The staircase chart appears once a price change is detected.
What it excels at
Large 512k context window at very low per-token cost supports economical long-document processing and high-volume inference.
The business tradeoff
Smaller parameter scale limits performance on complex multi-step reasoning and nuanced instruction following relative to larger models.
Head-to-head
Vendor list rates, as of Sep 23, 2026 · source: openrouter · per-request examples assume 1,200 input + 400 output tokens.