AI Model Comparison
Side-by-side comparison of pricing, context window, benchmarks, capabilities, and license. Every figure comes from the developer's own pages, last checked on ; each model's page lists its sources. A figure we could not source shows as a dash.
Model A — NVIDIA
Nemotron 3.5 Lightning is a 30B-parameter (3B active) open-weight language model from NVIDIA, released on August 11, 2026 with a hybrid Mamba-2 and mixture-of-experts architecture. NVIDIA says it supports up to 1M tokens of context and is ready for commercial use.
Model B — Upstage
Solar Pro 4 is Upstage’s flagship model, released on August 6, 2026, built for agentic use and document-based work, coding and business tasks. It supports a 512K context, up to 128K output tokens and a reasoning mode. It is available through Upstage’s console and on-premises.
| Property | NVIDIA Nemotron 3.5 Lightning | Solar Pro 4 |
|---|---|---|
| Released | Aug 11, 2026 | Aug 6, 2026 |
| Developer | NVIDIA | Upstage |
| Type | llm | llm |
| License | open-weight | proprietary |
| Context window | — | — |
| Parameters | 30B total, 3B active (Mamba-2 + MoE + attention hybrid) | — |
| Developer status | — | — |
| Input $/M tokens | — | $0.15 |
| Output $/M tokens | — | $0.60 |
Bold green values indicate the winner on that dimension where comparison is meaningful (lower price wins; bigger context wins; more open license wins; newer date wins). Prices are the ones each developer lists today; a model it no longer prices has none.
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Programmatic access available at /api/ai/compare?a=nemotron-3-5-lightning&b=solar-pro-4. CORS is open. Citation guidance: /about/editorial-process.