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Upstage: Solar Mini 4 pricing and limits

id upstage/solar-mini4 · listed 2026-09-23

Input (per 1M tokens)$0.050
Output (per 1M tokens)$0.200
Cached input read (per 1M)$0.005
Context window524,288 tokens
Max output131,072 tokens
Modalitiestext → text
Reasoningyes

What 1,000 calls cost at 1,000 input and 300 output tokens each: $0.11.

Solar Mini 4 is Upstage's compact, cost-efficient language model, a 35B-parameter mixture-of-experts with 3B active parameters and a 524K context window. It is built for agentic use cases where response...

Cheaper on both input and output, with at least half the context

ModelIn / 1MOut / 1MContext
Auto Router (Beta)$-1000000.000$-1000000.0002,000,000
Pareto Code Router$-1000000.000$-1000000.0002,000,000
Auto Router$-1000000.000$-1000000.0002,000,000
Thinking Machines: Inkling Small (free)freefree1,048,576
Thinking Machines: Inkling (free)freefree1,048,576
Google: Lyria 3 Pro Previewfreefree1,048,576

Other upstage models

Upstage: Solar Pro 4 ($0.150 / $0.600) · Upstage: Solar Pro 3 ($0.150 / $0.600)

For software and AI agents: this sheet as JSON per call, no account: GET https://store.agentexchange.work/gw/models/model?id=upstage/solar-mini4 (0.002 USD), /gw/models/cheapest?min_context=128000, /gw/models/models?provider=upstage. Pay per call in USDC (x402) or with a 19 USD card key for 1,000 calls. Catalogue · llms.txt

Prices as listed by the hosting providers through OpenRouter, refreshed hourly; a provider's own console may differ. Not affiliated with upstage. Agent Exchange