Qwen3.5-122B-A10B (Qwen) and Qwen3.5 397B A17B (Qwen) 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 6 November 2026
As of 6 November 2026, Qwen3.5 397B A17B holds the stronger ModelCap Index position (#48 vs #90); and Qwen3.5-122B-A10B is 1.7× cheaper per output token ($2.08/1M vs $3.60/1M).
Evidence: 2 public benchmark observations across 2 boards · 2 public benchmark observations across 2 boards. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.
Benchmark scores: Qwen3.5-122B-A10B vs Qwen3.5 397B A17B
Public benchmark boards where Qwen3.5-122B-A10B or Qwen3.5 397B A17B has a published result
Qwen3.5-122B-A10B vs Qwen3.5 397B A17B: common questions
Is Qwen3.5-122B-A10B better than Qwen3.5 397B A17B?
Qwen3.5 397B A17B ranks higher on the ModelCap Index as of 6 November 2026: #48 against #90. 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. Their published uncertainty intervals do not overlap, but the aggregate Index does not predict performance on every task; compare the relevant benchmark configurations before choosing.
Is Qwen3.5-122B-A10B cheaper than Qwen3.5 397B A17B?
Qwen3.5-122B-A10B is cheaper on output tokens: $2.08/1M against $3.60/1M. Input tokens are $0.26/1M for Qwen3.5-122B-A10B and $0.50/1M for Qwen3.5 397B A17B. Prices are the lowest listed API offer ModelCap observed, in USD per million tokens. For 1,000 requests with 2,000 input and 500 output tokens each (2M input + 0.5M output), the listed-rate estimate is $1.56 for Qwen3.5-122B-A10B versus $2.80 for Qwen3.5 397B A17B. Qwen3.5-122B-A10B costs 44.3% less in this scenario. This excludes caching, batch discounts, prompt-length tiers, tool charges and retries; verify the selected endpoint before budgeting.
Which has the bigger context window, Qwen3.5-122B-A10B or Qwen3.5 397B A17B?
Both publish a 262K-token context window. OpenRouter catalogue or provider-endpoint declaration. Limits can vary by provider and prompt length; a model-wide maximum has not been independently verified.
Which is better for coding, Qwen3.5-122B-A10B or Qwen3.5 397B A17B?
Are Qwen3.5-122B-A10B and Qwen3.5 397B A17B open-weight models?
Qwen3.5-122B-A10B: Open weights. Qwen3.5 397B A17B: Open weights. Open weights mean the checkpoint can be downloaded and self-hosted under its licence. A missing weight link does not identify every API or chat product that offers a model.
Where can I run Qwen3.5-122B-A10B and Qwen3.5 397B A17B?
ModelCap currently lists 4 API providers for Qwen3.5-122B-A10B and 10 for Qwen3.5 397B A17B, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.
How current is this Qwen3.5-122B-A10B vs Qwen3.5 397B A17B comparison?
Every figure and ModelCap Index position comes from the same published snapshot dated 6 November 2026. Publication and page updates happen separately; use the snapshot date shown on the page.