Upstage
Solar Pro 4 API pricing.
Solar Pro 4 is Upstage’s model on the API market, released 10 Aug 2026. Prices are per million tokens in USD, as last read from the price list.
$0.15Input / 1M
$0.60Output / 1M
524KContext
131KMax output
Specification
USD per million tokens- Provider
- Upstage
- Model id
upstage/solar-pro4- Input
- $0.15
- Output
- $0.60
- Cached input
- $0.030
- Context window
- 524K tokens
- Maximum output
- 131K tokens
- Takes
- text
- Returns
- text
- Tool use
- Yes
- Reasoning
- Yes
- Released
- 10 Aug 2026
- First tracked
- 17 Sept 2026
At $0.15 per million input tokens, Solar Pro 4 is dearer than 85 of the 340 models on the price list.
Price changes
Tracked since 17 Sept 2026No price change has been recorded since tracking began on 17 Sept 2026. Prices are checked every six hours, and any change is listed here and on model changes.
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Cheapest input firstPrices and specifications come from OpenRouter’s catalogue, last read 2 Nov 2026. A provider’s own price may differ; how this is collected.