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Head-to-head comparison

Qwen3.5-122B-A10B vs Qwen3.8 Flash

Qwen3.5-122B-A10B (Qwen) and Qwen3.8 Flash (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 3 September 2026

As of 3 September 2026, Qwen3.8 Flash holds the stronger ModelCap Index position (#17 vs #43); Qwen3.8 Flash is 5.1× cheaper per output token ($0.47/1M vs $2.40/1M); Qwen3.8 Flash offers the longer context window (1M vs 262K tokens); and Qwen3.5-122B-A10B ships open weights.

Which should you choose?

Choose Qwen3.5-122B-A10B if…

  • you want to self-host: Qwen3.5-122B-A10B ships open weights while Qwen3.8 Flash is restricted license.
  • you want provider choice — 5 listed API providers against 1.

Choose Qwen3.8 Flash if…

  • you want the stronger overall ModelCap Index position — #17 against #43 (72.1 vs 53.3 points).
  • API cost matters — $0.47/1M output tokens against $2.40/1M, about 5.1× cheaper.
  • your workload is prompt-heavy — input tokens cost $0.15/1M against $0.29/1M.
  • you need the longer context window — 1M tokens against 262K.
  • AA Intelligence Index is your yardstick — 55.8 against 32.8.
  • AA Terminal-Bench 2.1 is your yardstick — 86.1% against 47.6%.
  • AA Humanity's Last Exam is your yardstick — 38.0% against 25.2%.
  • you want the more recently listed model — Qwen3.8 Flash was listed 26 August 2026, Qwen3.5-122B-A10B 25 February 2026.

Qwen3.5-122B-A10B vs Qwen3.8 Flash: specs, pricing and context

Specification comparison of Qwen3.5-122B-A10B and Qwen3.8 Flash
FieldQwen3.5-122B-A10BQwenQwen3.8 FlashQwen
ModelCap Index position#43#17
Index score53.372.1
EvidenceMeasuredMeasured
Input price / 1M tokens$0.29$0.15
Output price / 1M tokens$2.40$0.47
Context window262K tokens1M tokens
Max output tokens82K131K
API providers listed51
Weight accessOpen weightsRestricted license
Input modalitiesText, Image, VideoText, Image, Video
First listed25 February 202626 August 2026
PublisherQwenQwen

Evidence: 3 public benchmark observations across 3 boards · 1 public benchmark observation across 1 board. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Qwen3.5-122B-A10B vs Qwen3.8 Flash

Public benchmark boards where Qwen3.5-122B-A10B or Qwen3.8 Flash has a published result
BoardQwen3.5-122B-A10BQwen3.8 FlashLeads
Arena codingArena (LMArena)14591452–1467—Only one result
AA Intelligence IndexArtificial Analysis32.8intelligence-index55.8intelligence-indexQwen3.8 Flash
AA Terminal-Bench 2.1Artificial Analysis47.6%terminal-bench-2.186.1%terminal-bench-2.1Qwen3.8 Flash
AA τ²-Bench TelecomArtificial Analysis93.6%tau2-bench-telecom—Only one result
AA Humanity's Last ExamArtificial Analysis25.2%humanitys-last-exam38.0%humanitys-last-examQwen3.8 Flash

Scores are the sources' own published figures for each model's best evaluated configuration; ModelCap never re-runs a benchmark.

Want a different pairing? Open the interactive comparison tool to swap either model for any current ranked language model.

Qwen3.5-122B-A10B vs Qwen3.8 Flash: common questions

Is Qwen3.5-122B-A10B better than Qwen3.8 Flash?

Qwen3.8 Flash ranks higher on the ModelCap Index as of 3 September 2026: #17 against #43. 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 Qwen3.5-122B-A10B cheaper than Qwen3.8 Flash?

Qwen3.8 Flash is cheaper on output tokens: $0.47/1M against $2.40/1M. Input tokens are $0.29/1M for Qwen3.5-122B-A10B and $0.15/1M for Qwen3.8 Flash. Prices are the lowest listed API offer ModelCap observed, in USD per million tokens.

Which has the bigger context window, Qwen3.5-122B-A10B or Qwen3.8 Flash?

Qwen3.8 Flash has the larger context window: 1M tokens against 262K.

Which is better for coding, Qwen3.5-122B-A10B or Qwen3.8 Flash?

AA Terminal-Bench 2.1: Qwen3.5-122B-A10B 47.6%, Qwen3.8 Flash 86.1% — Qwen3.8 Flash leads.

Are Qwen3.5-122B-A10B and Qwen3.8 Flash open-weight models?

Qwen3.5-122B-A10B: Open weights. Qwen3.8 Flash: Restricted license. 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 Qwen3.5-122B-A10B and Qwen3.8 Flash?

ModelCap currently lists 5 API providers for Qwen3.5-122B-A10B and 1 for Qwen3.8 Flash, 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 Qwen3.8 Flash comparison?

Every figure comes from the sealed ModelCap dataset published 3 September 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.

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