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Head-to-head comparison

Qwen2.5 Coder 3B Instruct vs Qwen3 4B Instruct 2507

Qwen2.5 Coder 3B Instruct (Qwen) and Qwen3 4B Instruct 2507 (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 17 August 2026

As of 17 August 2026, Qwen2.5 Coder 3B Instruct holds the stronger ModelCap Index position (#95 vs #103); Qwen3 4B Instruct 2507 offers the longer context window (262K vs 33K tokens); and Qwen3 4B Instruct 2507 ships open weights.

Which should you choose?

Choose Qwen2.5 Coder 3B Instruct if…

  • you want the stronger overall ModelCap Index position — #95 against #103 (23.7 vs 23.5 points).

Choose Qwen3 4B Instruct 2507 if…

  • you need the longer context window — 262K tokens against 33K.
  • you want to self-host: Qwen3 4B Instruct 2507 ships open weights while Qwen2.5 Coder 3B Instruct is restricted license.
  • you want the more recently listed model — Qwen3 4B Instruct 2507 was listed 5 August 2025, Qwen2.5 Coder 3B Instruct 6 November 2024.

Qwen2.5 Coder 3B Instruct vs Qwen3 4B Instruct 2507: specs, pricing and context

Specification comparison of Qwen2.5 Coder 3B Instruct and Qwen3 4B Instruct 2507
FieldQwen2.5 Coder 3B InstructQwenQwen3 4B Instruct 2507Qwen
ModelCap Index position#95#103
Index score23.723.5
EvidenceEstimatedEstimated
Input price / 1M tokensUnlistedUnlisted
Output price / 1M tokensUnlistedUnlisted
Context window33K tokens262K tokens
Max output tokens——
API providers listed00
Weight accessRestricted licenseOpen weights
Input modalitiesTextText
First listed6 November 20245 August 2025
PublisherQwenQwen

Evidence: publisher corpus prior · leave-one-anchor-out calibrated · start rank interpolated from the launch card's own comparison table against resolved catalogue peers, discounted for measured cross-lab optimism. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Qwen2.5 Coder 3B Instruct vs Qwen3 4B Instruct 2507

Public benchmark boards where Qwen2.5 Coder 3B Instruct or Qwen3 4B Instruct 2507 has a published result
BoardQwen2.5 Coder 3B InstructQwen3 4B Instruct 2507Leads
BFCL V4UC Berkeley (Gorilla)—35.7Function callingOnly one result

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.

Qwen2.5 Coder 3B Instruct vs Qwen3 4B Instruct 2507: common questions

Is Qwen2.5 Coder 3B Instruct better than Qwen3 4B Instruct 2507?

Qwen2.5 Coder 3B Instruct ranks higher on the ModelCap Index as of 17 August 2026: #95 against #103. 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 Qwen2.5 Coder 3B Instruct cheaper than Qwen3 4B Instruct 2507?

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, Qwen2.5 Coder 3B Instruct or Qwen3 4B Instruct 2507?

Qwen3 4B Instruct 2507 has the larger context window: 262K tokens against 33K.

Which is better for coding, Qwen2.5 Coder 3B Instruct or Qwen3 4B Instruct 2507?

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 Qwen2.5 Coder 3B Instruct and Qwen3 4B Instruct 2507 open-weight models?

Qwen2.5 Coder 3B Instruct: Restricted license. Qwen3 4B Instruct 2507: 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 Qwen2.5 Coder 3B Instruct and Qwen3 4B Instruct 2507?

ModelCap currently lists 0 API providers for Qwen2.5 Coder 3B Instruct and 0 for Qwen3 4B Instruct 2507, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this Qwen2.5 Coder 3B Instruct vs Qwen3 4B Instruct 2507 comparison?

Every figure comes from the sealed ModelCap dataset published 17 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.

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