Solar Mini 4
Solar Mini 4 is a compact variant, chosen for high throughput and low cost rather than absolute capability. Available via Upstage. 524,288-token context. Budget pricing.
Solar Mini 4 is a efficient AI model from Upstage. It costs $0.0500 per million input tokens and $0.2000 per million output tokens (blended $0.0950/M), with a 524,288-token context window.
RatesUSD per million tokens. Blend is 70% input, 30% output, our calculation.
From OpenRouter's listing, read on 11 Nov 2026.
- Sub-second latency
- Affordable at scale
- Good for routing & classification
- Routing & classification
- Bulk summarisation
- Realtime chat UX
Benchmarks
More from Upstage
See all 3 →Frequently asked questions
How much does Solar Mini 4 cost?
Solar Mini 4 costs $0.0500 per million input tokens and $0.2000 per million output tokens, for a blended reference rate of $0.0950 per million tokens.
What is Solar Mini 4's context window?
Solar Mini 4 supports up to 524,288 tokens of context in a single request.
What is Solar Mini 4 best for?
Solar Mini 4 is well suited to Sub-second latency, Affordable at scale and Good for routing & classification.
Who makes Solar Mini 4?
Solar Mini 4 is developed and served by Upstage.
