Upstage
Solar Pro 4
Released 2026-08-10
Solar Pro 4 is Upstage's cost-efficient large language model, featuring a 524K context window. It is built for long-horizon tasks and agentic workflows, with strong capabilities in office productivity, document-intensive...
You send / 1M
$0.150
tokens in
It replies / 1M
$0.600
tokens out
Memory
524K
tokens it can read at once
Typical request
$0.0005
1,000 words in, 400 out
Data privacy
No training or retention: Yes. At least one provider serves it with zero data retention.
| Provider | You send / 1M | It replies / 1M | Uptime | Privacy policy |
|---|---|---|---|---|
| Upstage | $0.150 | $0.600 | 100% | Read |
Based on OpenRouter and Vercel AI Gateway data. Confirm terms with the provider before sending sensitive data.
What it can do
- Reads: text
- Writes: text
- Reasoning: Yes
- Tool calling: Yes
- Longest reply: 131K tokens
- Repeated text is billed at $0.030 per 1M (prompt caching)
- Intelligence score: 28.2 / 100 (Artificial Analysis)
Similar models
- Hy3 previewTencent · $0.180 in / $0.600 out per 1M
- Solar Pro 3Upstage · $0.150 in / $0.600 out per 1M
- gpt-oss-120bOpenAI · $0.150 in / $0.600 out per 1M
- Hunyuan A13B InstructTencent · $0.140 in / $0.570 out per 1M
- Hy3Tencent · $0.132 in / $0.528 out per 1M
- LFM2.5-24B-A2BLiquid · $0.050 in / $0.700 out per 1M
Appears in
Top No-Training AI ModelsTop No-Training Zero Data Retention AI ModelsTop No-Training Zero Data Retention Cheap AI ModelsTop No-Training Zero Data Retention Reasoning AI ModelsTop No-Training Zero Data Retention Tool-Calling AI ModelsTop No-Training Cheap AI ModelsTop No-Training Cheap Reasoning AI ModelsTop No-Training Cheap Tool-Calling AI Models