Head-to-head comparison

Qwen3.5 4B vs Qwen3 Coder Next

Qwen3.5 4B (Qwen) and Qwen3 Coder Next (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 10 September 2026

As of 10 September 2026, Qwen3 Coder Next holds the stronger ModelCap Index position (#112 vs #113).

Which should you choose?

Choose Qwen3.5 4B if…

AA τ²-Bench Telecom is your yardstick — 92.1% against 79.5%.
you want the more recently listed model — Qwen3.5 4B was listed 27 February 2026, Qwen3 Coder Next 4 February 2026.

Choose Qwen3 Coder Next if…

you want the stronger overall ModelCap Index position — #112 against #113 (38.9 vs 38.8 points).
you want provider choice — 4 listed API providers against 0.
AA Terminal-Bench 2.1 is your yardstick — 38.2% against 25.8%.
AA Humanity's Last Exam is your yardstick — 10.1% against 9.9%.

Qwen3.5 4B vs Qwen3 Coder Next: specs, pricing and context

Specification comparison of Qwen3.5 4B and Qwen3 Coder Next
Field	Qwen3.5 4BQwen	Qwen3 Coder NextQwen
ModelCap Index position	#113	#112
Index score	38.8	38.9
Evidence	Estimated	Measured
Input price / 1M tokens	Unlisted	$0.12
Output price / 1M tokens	Unlisted	$0.80
Context window	— tokens	262K tokens
Max output tokens	—	236K
API providers listed	0	4
Weight access	Open weights	Open weights
Input modalities	Text, Image	Text
First listed	27 February 2026	4 February 2026
Publisher	Qwen	Qwen

Evidence: publisher-corpus-prior over 184 held-out anchors (26%); launch card against 3 resolved peers on 10 rows (74%); exceeds every named peer on 2 of 10 rows; optimism haircut 0.6 from cross-lab-probe; shrunk 4.1 up toward the measured corpus · 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 4B vs Qwen3 Coder Next

Public benchmark boards where Qwen3.5 4B or Qwen3 Coder Next has a published result
Board	Qwen3.5 4B	Qwen3 Coder Next	Leads
AA Intelligence IndexArtificial Analysis	—	10.1intelligence-index:v4.3:non-reasoning	Only one result
AA Terminal-Bench 2.1Artificial Analysis	25.8%terminal-bench:2.1:terminus-2:e2b:pass-at-1:3-repeats:source-model="Qwen3.5 4B":reasoning=true	38.2%terminal-bench:2.1:terminus-2:e2b:pass-at-1:3-repeats:source-model="Qwen3 Coder Next":reasoning=false	Qwen3 Coder Next
AA τ²-Bench TelecomArtificial Analysis	92.1%tau2:telecom:dual-control:pass-at-1:3-repeats:source-model="Qwen3.5 4B":reasoning=true	79.5%tau2:telecom:dual-control:pass-at-1:3-repeats:source-model="Qwen3 Coder Next":reasoning=false	Qwen3.5 4B
AA Humanity's Last ExamArtificial Analysis	9.9%hle:may-2025:text-only-2158:no-tools:pass-at-1:source-model="Qwen3.5 4B":reasoning=true	10.1%hle:may-2025:text-only-2158:no-tools:pass-at-1:source-model="Qwen3 Coder Next":reasoning=false	Qwen3 Coder Next

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 4B vs Qwen3 Coder Next: common questions

Is Qwen3.5 4B better than Qwen3 Coder Next?

Qwen3 Coder Next ranks higher on the ModelCap Index as of 10 September 2026: #112 against #113. 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 overlap, so the rank difference alone does not establish a reliable capability advantage for your workload.

Is Qwen3.5 4B cheaper than Qwen3 Coder Next?

At least one of the two has no listed API price on ModelCap right now, so no price comparison is made.

Which has the bigger context window, Qwen3.5 4B or Qwen3 Coder Next?

Both publish a —-token context window.

Which is better for coding, Qwen3.5 4B or Qwen3 Coder Next?

AA Terminal-Bench 2.1: Qwen3.5 4B 25.8%, Qwen3 Coder Next 38.2% — Qwen3 Coder Next leads.

Are Qwen3.5 4B and Qwen3 Coder Next open-weight models?

Qwen3.5 4B: Open weights. Qwen3 Coder Next: Open weights. 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 4B and Qwen3 Coder Next?

ModelCap currently lists 0 API providers for Qwen3.5 4B and 4 for Qwen3 Coder Next, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this Qwen3.5 4B vs Qwen3 Coder Next comparison?

Every figure comes from the sealed ModelCap dataset published 10 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.