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GPT OSS 120B (Arkanecloud) vs Solar Pro 4

Both have similar output pricing, while Solar Pro 4 offers a larger context window. Choose GPT OSS 120B (Arkanecloud) or Solar Pro 4 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecGPT OSS 120B (Arkanecloud)Solar Pro 4
ProviderEden AIUpstage
Input / 1M tokens$0.15$0.15
Output / 1M tokens$0.60$0.60
Context window131K524K
Parameters——
Open weightsYes—
ReleasedAug 2025—
LMArena (Chatbot Arena) Elo score—1388
LMArena WebDev Elo score—1371

FAQ

Is GPT OSS 120B (Arkanecloud) or Solar Pro 4 cheaper?

GPT OSS 120B (Arkanecloud) and Solar Pro 4 have comparable output pricing.

Which has the larger context window, GPT OSS 120B (Arkanecloud) or Solar Pro 4?

Solar Pro 4 has the larger context window (524K tokens).

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.