Solar Mini 4
by Upstageupstage/solar-mini4
LLMCompare cannot run Solar Mini 4 yet.No route to this model is configured on this site yet. Its prices and parameters are listed below for reference.
See the models that can be run nowSolar Mini 4 at a glance
- Context length
- 524,288 tokens
- Maximum output
- 131,072 tokens
- Accepts
- Text
- Returns
- Text
- Features
- ReasoningJSON outputTool callingPrompt caching
- Reasoning effort levels
maxxhighhighmediumlowminimalnoneReasoning can be turned off.- Released
- 23 Sep 2026
- Knowledge cutoff
- Not published
Model facts synced from the OpenRouter model list on 21 Oct 2026.
Solar Mini 4 pricing by route
A route is the service LLMCompare calls to reach the model. Solar Mini 4 has 1 route. Prices are in US dollars.
| Route | On LLMCompare | Inputper 1M tokens | Outputper 1M tokens | Cache readper 1M tokens | Price verified on | Source |
|---|---|---|---|---|---|---|
| OpenRouterDefault | Not configured | $0.05 | $0.20 | $0.005 | openrouter.ai/upstage/solar-mini4 |
The cost shown in an LLMCompare report is calculated from these prices as they were at the time of the run.
Cost calculator
Estimate what a batch of calls to Solar Mini 4 costs. The starting numbers are examples. Change them to match your task.
Part of the input tokens above, billed at the cache read price.
Billed in addition to the output tokens.
- Cost per call
- $0.00015
- 1 credits
- Cost of 100 calls
- $0.015
- 100 credits
Calculated from the OpenRouter prices verified on 21 Oct 2026. Credits are the cost plus a 20% service fee, at $0.001 per credit, rounded up for each call, with a minimum of 1 per call. A real run is charged for the usage the provider reports.
Parameters you can set
These are the parameters LLMCompare can set when it calls the model through OpenRouter.
| Parameter | Type | Range or options | Default |
|---|---|---|---|
temperature | Number | 0 to 2in steps of 0.1 | Provider default |
top_p | Number | 0 to 1in steps of 0.05 | Provider default |
max_tokens | Integer | 1 to 131,072 | Provider default |
reasoning_effort | One of | maxxhighhighmediumlowminimalnone | medium |
response_format | One of | textjson_object | Provider default |
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...
Description as published for this model. LLMCompare has not edited it.
Models to compare with Solar Mini 4
Text models from the same provider and models at the nearest price. The order is not a ranking.
| Add to comparison | Model | Context | Max output | Input priceper 1M tokens | Output priceper 1M tokens | Features | Released | On LLMCompare |
|---|---|---|---|---|---|---|---|---|
Solar Pro 4Upstageupstage/solar-pro4 | 524k | 131k | $0.15 | $0.60 | ReasoningJSONToolsCache | No route yet | ||
Solar Pro 3Upstageupstage/solar-pro-3 | 131k | 118k | $0.15 | $0.60 | ReasoningJSONToolsCache | No route yet | ||
Ling 3.0 Flash VLinclusionAIinclusionai/ling-3.0-flash-vl | 131k | 32.8k | $0.06 | $0.18 | JSONToolsCacheVision | No route yet | ||
Nemotron 3.5 LightningNVIDIAnvidia/nemotron-3.5-lightning | 262k | 236k | $0.07 | $0.20 | JSONToolsCache | No route yet | ||
DeepSeek V4 Flash 0423DeepSeekdeepseek/deepseek-v4-flash | 1.05M | 944k | $0.091 | $0.182 | ReasoningJSONToolsCache | No route yet | ||
Llama 3.2 1B InstructMetameta-llama/llama-3.2-1b-instruct | 60k | 54k | $0.027 | $0.201 | — | No route yet |
Questions about Solar Mini 4
- How much does Solar Mini 4 cost?
- On the OpenRouter route, Solar Mini 4 costs $0.05 per 1 million input tokens and $0.20 per 1 million output tokens, in US dollars. Input tokens that Solar Mini 4 reads from the prompt cache cost $0.005 per 1 million tokens. LLMCompare verified this price on 21 Oct 2026.
- What is the context length of Solar Mini 4?
- Solar Mini 4 has a context length of 524,288 tokens and returns up to 131,072 output tokens in one call.
- What inputs does Solar Mini 4 accept?
- Solar Mini 4 accepts these inputs: Text. Solar Mini 4 returns: Text.
- Which reasoning effort levels does Solar Mini 4 support?
- Solar Mini 4 supports these reasoning effort levels: max, xhigh, high, medium, low, minimal, none. Reasoning can be turned off for Solar Mini 4.
- Can I test Solar Mini 4 on my own data?
- Not yet. LLMCompare lists the prices and parameters of Solar Mini 4, but no route to Solar Mini 4 is configured on LLMCompare, so it cannot be selected for an evaluation.