upstage Reasoning

Solar Pro 3 pricing & benchmarks

Released Jan 27, 2026 · served by 1 provider

Input / 1M tokens$0.150
Output / 1M tokens$0.600
Context window128K
Cached input$0.015
Intelligence index14.1
Coding index16.2
Agentic index2.7
1M in + 300K out$0.33

What Solar Pro 3 is

Solar Pro 3 is Upstage's powerful Mixture-of-Experts (MoE) language model. With 102B total parameters and 12B active parameters per forward pass, it delivers exceptional performance while maintaining computational efficiency. Optimized...

Providers and prices for Solar Pro 3

The same model costs different amounts depending on who serves it. Prices are per 1M tokens, cheapest first. Uptime and throughput are OpenRouter's rolling measurements, not vendor claims.

ProviderInputOutputContext QuantUptime 24hThroughput
Upstagecheapest $0.150 $0.600 128K 100.0%

Cheaper models in the same class

Models scoring within 4 points of Solar Pro 3 on the Intelligence Index, but with a lower output price.

FAQ

How much does the Solar Pro 3 API cost?

$0.150 per 1M input tokens and $0.600 per 1M output tokens. A typical workload of 1M input + 300K output tokens costs about $0.33.

Is Solar Pro 3 free?

No. It is a paid model starting at $0.150 per 1M input tokens, though some providers offer trial credits.

Which provider is cheapest for Solar Pro 3?

Upstage at $0.150 input / $0.600 output per 1M tokens.

Can I self-host Solar Pro 3?

No. Solar Pro 3 is closed-weight and only available through hosted APIs.