Models/Upstage/Solar Pro 3

Solar Pro 3

Name: Solar Pro 3 API access
Brand: Upstage

Upstage · Proprietary · Released Jan 27, 2026 · upstage/solar-pro-3

Compare Estimate cost

131K contextToolsReasoningStructured outputPrompt caching

Available from 1 providerUSD / MTOK · VERIFIED 4 MINUTES AGO

EST. MONTHLY COSTclick a row for detail · click headers to sort

PROVIDER	INPUT	OUTPUT	CACHE	CONTEXT	QUANT	TTFT	TPS	UPTIME
UPUpstage1ST PARTY	$0.15	$0.60	$0.015	131K	—	1.8s	78 tok/s	100.0%

TTFT/TPS: median (P50) over trailing 72h · chat10k profile (~10K in / 200 out) · measured via OpenRouter routing · methodology v1.1 · measured 43 hours ago

Pricing variants · USD / MTok in / out

STANDARD

$0.15 / $0.60

per MTok in / out

CACHE READ $0.015

About

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...

Specifications

Context window131,072

Max output131,072

Modalities intext

Modalities outtext

LicenseProprietary

ReleasedJan 27, 2026

TokenizerOther

Solar Pro 4$0.03 / $0.12

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[![Solar Pro 3](https://modelindex.ai/badge/upstage/solar-pro-3)](https://modelindex.ai/models/upstage/solar-pro-3)

Sources

OpenRouter API4 minutes ago

AGGREGATOR

ModelIndex benchmarks43 hours ago

MEASURED

Verified 4 minutes ago · list prices, not negotiated rates.