TPSTokens Per Second

Solar Mini 4

Upstage KR
active
Compare with other models →
Context window524K tokens
Input / 1M tokens$0.05
Output / 1M tokens$0.2

Pricing and context window via OpenRouter, 2026-11-09.

Version History

4major

Upstage released Solar Mini 4, a 35B-parameter MoE model (3B active) with a 524K context window, replacing prior Solar Mini versions with lower cost and expanded context for agentic use cases.

Benchmark Scores

Full leaderboard →
BenchmarkScoreRankSource
Speed (tok/s)131 tok/s48 of 127Artificial Analysis, Oct 2026 ↗

Rank is against every model in our database with a sourced score on that benchmark, each counted once with its best score.

Coverage

model releaseUpstage

Upstage Releases Solar Mini 4: 35B MoE Model with 524K Context at $0.05/$0.20 per Million Tokens

Upstage has released Solar Mini 4, a compact mixture-of-experts model with 35B total parameters, 3B active parameters, and a 524K token context window. The model targets agentic workloads and is priced at $0.05 per 1M input tokens and $0.20 per 1M output tokens, a promotional 50% discount off standard rates.

2 min read
UpstageSolar Mini 4mixture-of-experts