upstage / text-generation API-only released 2026-01-27

Solar Pro 3

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...

Input / 1M
$0.15
Output / 1M
$0.60
Context
131.1K
AA Intelligence
7.8
Closed weights — available only as a hosted API text → text View on OpenRouter ↗

Pricing

via OpenRouter · USD per 1M tokens · synced 2026-10-24
$0.15
input / 1M
$0.60
output / 1M
$0.015
cached input / 1M
$0.75
1M in + 1M out
Context window
131,072 tokens
Max output
117,964 tokens
Providers
1
Cheapest provider
Upstage · $0.15 / $0.60
Best throughput
—
AA Intelligence / Coding / Agentic
7.8 / 16.2 / 1.4
✓ Tool calling ✓ Reasoning ✓ Structured outputs ✗ Image input ✗ File input ✗ Audio input ✓ Prompt caching

Price history

tracking started — chart appears after 7 days of snapshots (6 recorded)
Current: $0.15 input · $0.60 output per 1M tokens

Benchmarks

Third-party indices as published through OpenRouter — Artificial Analysis and Design Arena. Not measured by us.

AA Intelligence Index
7.8
AA Coding Index
16.2
AA Agentic Index
1.4

Providers

1 provider · per 1M tokens · last 30 min metrics
ProviderQuantContextInputOutputUptimeTok/s
Upstage unknown 131.1K $0.15 $0.60 — —
Provider data from OpenRouter's endpoint listing, refreshed daily.

Specifications

Organisation
upstage
Released on OpenRouter
2026-01-27
Context window
131,072 tokens
Max output
117,964 tokens
Input
text
Output
text
Tokenizer
Other
Moderated by provider
No
OpenRouter id
upstage/solar-pro-3
Compare with
Prices, context and providers from the public OpenRouter API, snapshotted daily; benchmark indices from Artificial Analysis. See /methodology.