Upstage: Solar Pro 4 pricing
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… Upstage: Solar Pro 4 from OpenRouter costs $0.150 per 1M input tokens and $0.600 per 1M output tokens. Cached input is $0.030 per 1M. Context window 524,288 tokens.
API id upstage/solar-pro4 · OpenRouter · source · updated 2026-11-10 · general-purpose
$0.150
Input / 1M tokens
$0.600
Output / 1M tokens
$0.030
Cached input / 1M
524K
Context window
Upstage: Solar Pro 4 specifications
- Provider
- OpenRouter
- API id
upstage/solar-pro4- Model type
- general-purpose
- Context window
- 524K tokens
- Max output
- 131K tokens
- Currency
- USD
- Price source
- Provider API
- Last checked
- 2026-11-10
Tags
- flagship
What Upstage: Solar Pro 4 costs in practice
| Workload | Input tokens | Output tokens | Estimated cost |
|---|---|---|---|
| Short chat turn | 1,000 | 500 | $0.0004 |
| Document summary | 50,000 | 2,000 | $0.0087 |
| 1M tokens in, 200K out | 1,000,000 | 200,000 | $0.27 |
Estimates use the standard tier and ignore caching discounts, so real bills with repeated prompt prefixes are typically lower.
Upstage: Solar Pro 4 price history
| Recorded | Input /1M | Output /1M |
|---|---|---|
| 2026-10-20 | $0.150 | $0.600 |
| 2026-09-11 | $0.090 | $0.360 |
| 2026-08-27 | $0.030 | $0.120 |
Common questions
- How much does Upstage: Solar Pro 4 cost per 1M tokens?
- Upstage: Solar Pro 4 costs $0.150 per 1M input tokens and $0.600 per 1M output tokens on the standard tier. Cached input is $0.030 per 1M.
- What is Upstage: Solar Pro 4's context window?
- Upstage: Solar Pro 4 accepts up to 524,288 tokens in a single request, and can return up to 131,072 output tokens.
- Is there a cheaper OpenRouter model than Upstage: Solar Pro 4?
- Yes. Free Models Router is free per 1M input tokens versus $0.150 for Upstage: Solar Pro 4, with a 200,000 token context window.
- Where does this Upstage: Solar Pro 4 price come from?
- From the OpenRouter catalogue, because OpenRouter does not publish machine-readable pricing. OpenRouter is a reseller, so its rate can differ from OpenRouter's own — verify before committing spend.
Head-to-head comparisons
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