Qwen3 Max Thinking (Qwen) and Solar Pro 4 (Upstage) compared on the ModelCap Index, API price, context window, provider availability, weight access and every public benchmark board they share. Figures are the same ones shown on the live rankings; nothing here is a hidden score.
Snapshot as of 19 August 2026
As of 19 August 2026, Solar Pro 4 holds the stronger ModelCap Index position (#53 vs #56); Solar Pro 4 is 32.5× cheaper per output token ($0.12/1M vs $3.90/1M); and Solar Pro 4 offers the longer context window (524K vs 262K tokens).
Evidence: 1 public benchmark observation across 1 board · 4 public benchmark observations across 4 boards. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.
Benchmark scores: Qwen3 Max Thinking vs Solar Pro 4
Public benchmark boards where Qwen3 Max Thinking or Solar Pro 4 has a published result
Qwen3 Max Thinking vs Solar Pro 4: common questions
Is Qwen3 Max Thinking better than Solar Pro 4?
Solar Pro 4 ranks higher on the ModelCap Index as of 19 August 2026: #53 against #56. That is a capability ranking built from public benchmark evidence with published uncertainty; whether it is "better" for you also depends on price, context and where you can run it.
Is Qwen3 Max Thinking cheaper than Solar Pro 4?
Solar Pro 4 is cheaper on output tokens: $0.12/1M against $3.90/1M. Input tokens are $0.78/1M for Qwen3 Max Thinking and $0.03/1M for Solar Pro 4. Prices are the lowest listed API offer ModelCap observed, in USD per million tokens.
Which has the bigger context window, Qwen3 Max Thinking or Solar Pro 4?
Solar Pro 4 has the larger context window: 524K tokens against 262K.
Which is better for coding, Qwen3 Max Thinking or Solar Pro 4?
The two models do not share a coding benchmark board on ModelCap yet, so no head-to-head coding score is published; the ModelCap Index position is the closest overall signal.
Are Qwen3 Max Thinking and Solar Pro 4 open-weight models?
Qwen3 Max Thinking: API only. Solar Pro 4: API only. Open weights mean the checkpoint can be downloaded and self-hosted under its licence; API-only models are available solely through hosted endpoints.
Where can I run Qwen3 Max Thinking and Solar Pro 4?
ModelCap currently lists 1 API provider for Qwen3 Max Thinking and 1 for Solar Pro 4, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.
How current is this Qwen3 Max Thinking vs Solar Pro 4 comparison?
Every figure comes from the sealed ModelCap dataset published 19 August 2026; the page re-renders within a minute of each data refresh, and the ModelCap Index positions are the same ones shown on the live rankings.