Upstage: Solar Mini 4
by UpstageUpstage: Solar Mini 4 is a large language model from Upstage. It costs $0.050 per million input tokens and $0.200 per million output tokens. Its context window is 524K tokens.
- Input / 1M tokens
- $0.050
- Output / 1M tokens
- $0.200
- Cached input / 1M
- $0.0050
- Context window
- 524K
On repeated prefixes
tokens
Who serves it cheapest
1 hosts serve Solar Mini 4. Same weights, same API - the price difference is pure margin and routing.
| Provider | Input / 1M | Output / 1M | Context | Throughput | Uptime 24h |
|---|---|---|---|---|---|
| UpstageCheapest | $0.050 | $0.200 | 524K | - | 100.0% |
Benchmarks
Independent scores published alongside the catalogue.
- Intelligence index
- 24.1
About Solar Mini 4
Solar Mini 4 is Upstage's compact, cost-efficient language model, a 35B-parameter mixture-of-experts with 3B active parameters and a 524K context window. It is built for agentic use cases where response...
Specifications
| Model ID | upstage/solar-mini4 |
|---|---|
| Provider | Upstage |
| Context window | 524K tokens |
| Max output | 131K tokens |
| Input modalities | text |
| Output modalities | text |
| Knowledge cutoff | - |
| Open weights | No |
| Released | September 23, 2026 |
Cheaper alternatives
Models that cost less than Solar Mini 4 while keeping at least half its context window and every input modality it supports.
Frequently asked
How much does Upstage: Solar Mini 4 cost?
$0.050 per million input tokens and $0.200 per million output tokens. Cached input reads cost $0.0050 per million tokens.
What is the context window of Upstage: Solar Mini 4?
524K tokens, with up to 131K tokens of output per request.
Confirm against the source: Upstage official pricing.