Solar Pro 4 API Pricing
upstage · Budget · released 2026-08. Prices in USD per 1 million tokens. Data snapshot: 2026-09-28.
The price we publish for Solar Pro 4 has changed once since 2026-08-15, most recently by +200.0% on 2026-09-11; it is now the 54th cheapest of 142 Budget models. Only one host, Upstage, sells it, so there is no second price to shop. No Arena score is published for it, so it carries no Efficiency score and cannot hold the FinOps Friendly badge.
- Input: $0.09 per 1M tokens
- Output: $0.36 per 1M tokens
- Batch API (input/output): not published
- Prompt-cache read: $0.02
- Context window: 524K
Solar Pro 4 market position
On blended price ($0.279 per 1M tokens at 30% input, 70% output) it is cheaper than 62% of Budget models: 54th cheapest of 142. Across every category it is cheaper than 81% of priced text models in the catalogue: 54th cheapest of 281.
Solar Pro 4 licence, size and capabilities
No licence is recorded for Solar Pro 4, so this page does not say whether it can be self-hosted. Its parameter count is not published. Listed capabilities: Text, Reasoning, Agents. Filling its 524K context window once costs $0.05 in input tokens at list price.
Monthly cost at 100K requests, by business use case
From the after-discounts figure (prompt caching on the cached input share, batch API for async workloads, only where the provider publishes those rates), which assumes you implement both, to the list price. One figure means no discount is published.
| Use case | Tokens (in/out) | Monthly (after discounts – list) |
|---|---|---|
| Support Ticket | 1,500 / 500 | $25 – $31 |
| Knowledge Q&A | 2,000 / 800 | $37 – $47 |
| Meeting Summary | 10,000 / 1,200 | $126 – $133 |
| Marketing Content | 2,500 / 1,800 | $84 – $87 |
| Coding Task | 3,000 / 2,000 | $88 – $99 |
| Invoice Processing | 1,500 / 600 | $32 – $35 |
| Call Summary | 2,000 / 700 | $42 – $43 |
| Agent Workflow | 6,000 / 3,000 | $132 – $162 |
Solar Pro 4 pricing by host
A host is a company that runs the model and sells it by the token — the lab that made it, a cloud platform like Amazon Bedrock, Azure or Vertex, or an independent provider. One model, several sellers, and often several prices. This model is sold by 1 host. The price quoted above is the one we publish so that models stay comparable; it is not necessarily the cheapest way to buy this model. List prices as published on 2026-09-28 via OpenRouter — negotiated rates, committed-use discounts and provisioned capacity are not shown.
Upstage is the only host with a published rate, $0.09 input / $0.36 output per 1M tokens, which is the price shown on this page.
| Host | Input $/1M | Output $/1M |
|---|---|---|
| Upstage (the price shown above) | $0.09 | $0.36 |
Solar Pro 4 price history
Solar Pro 4 has been in our daily price archive since tracking began on 2026-08-15, when it listed at $0.03 input / $0.12 output per 1M tokens. The price we publish has changed once since then. The latest change, on 2026-09-11, was +200.0% on the blended price (30% input, 70% output), to $0.09 input / $0.36 output.
| Date | Old price (in / out) | New price (in / out) | Blended change |
|---|---|---|---|
| 2026-09-11 | $0.03 / $0.12 | $0.09 / $0.36 | +200.0% |
Alternatives to Solar Pro 4
- Next cheaper Budget model: Qwen3 235B A22B Instruct 2507 (Alibaba) at $0.271 blended, 3% less.
- Next more expensive: DeepSeek V4.1 Flash (DeepSeek) at $0.284 blended, 2% more.
Common questions about Solar Pro 4 pricing
- How much does Solar Pro 4 cost?
- Solar Pro 4 costs $0.09 per million input tokens and $0.36 per million output tokens on the API.
- Does Solar Pro 4 offer batch or cached pricing?
- Prompt-cache reads cost $0.02/M input tokens. No batch pricing is published.
- What would Solar Pro 4 cost per month?
- For a support-ticket workload (1,500 input + 500 output tokens per request) at 100K requests/month, Solar Pro 4 costs about $31 at list prices.
- Has the price of Solar Pro 4 changed?
- Solar Pro 4 has been in our daily price archive since tracking began on 2026-08-15, when it listed at $0.03 input / $0.12 output per 1M tokens. The price we publish has changed once since then. The latest change, on 2026-09-11, was +200.0% on the blended price (30% input, 70% output), to $0.09 input / $0.36 output.
These are list prices: real cost also depends on caching, batching, negotiated discounts, marketplace agreements, and existing contracts. Get a FinOps review from OptimNow or compare all models.
Build the business case for Solar Pro 4 in the AI ROI Calculator: add your business value on top of these costs to get ROI, break-even and payback.
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