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Head-to-head comparison

GPT-3.5 Turbo Instruct vs Qwen3 4B Instruct 2507

GPT-3.5 Turbo Instruct (OpenAI) 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 18 August 2026

As of 18 August 2026, Qwen3 4B Instruct 2507 holds the stronger ModelCap Index position (#103 vs #109); Qwen3 4B Instruct 2507 offers the longer context window (262K vs 4K tokens); and Qwen3 4B Instruct 2507 ships open weights.

Which should you choose?

Choose GPT-3.5 Turbo Instruct if…

  • you want provider choice — 1 listed API providers against 0.

Choose Qwen3 4B Instruct 2507 if…

  • you want the stronger overall ModelCap Index position — #103 against #109 (23.5 vs 22.1 points).
  • you need the longer context window — 262K tokens against 4K.
  • you want to self-host: Qwen3 4B Instruct 2507 ships open weights while GPT-3.5 Turbo Instruct is api only.
  • you want the more recently listed model — Qwen3 4B Instruct 2507 was listed 5 August 2025, GPT-3.5 Turbo Instruct 28 September 2023.

GPT-3.5 Turbo Instruct vs Qwen3 4B Instruct 2507: specs, pricing and context

Specification comparison of GPT-3.5 Turbo Instruct and Qwen3 4B Instruct 2507
FieldGPT-3.5 Turbo InstructOpenAIQwen3 4B Instruct 2507Qwen
ModelCap Index position#109#103
Index score22.123.5
EvidenceEstimatedEstimated
Input price / 1M tokens$1.50Unlisted
Output price / 1M tokens$2.00Unlisted
Context window4K tokens262K tokens
Max output tokens4K—
API providers listed10
Weight accessAPI onlyOpen weights
Input modalitiesTextText
First listed28 September 20235 August 2025
PublisherOpenAIQwen

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: GPT-3.5 Turbo Instruct vs Qwen3 4B Instruct 2507

Public benchmark boards where GPT-3.5 Turbo Instruct or Qwen3 4B Instruct 2507 has a published result
BoardGPT-3.5 Turbo 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.

GPT-3.5 Turbo Instruct vs Qwen3 4B Instruct 2507: common questions

Is GPT-3.5 Turbo Instruct better than Qwen3 4B Instruct 2507?

Qwen3 4B Instruct 2507 ranks higher on the ModelCap Index as of 18 August 2026: #103 against #109. 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 GPT-3.5 Turbo 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, GPT-3.5 Turbo Instruct or Qwen3 4B Instruct 2507?

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

Which is better for coding, GPT-3.5 Turbo 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 GPT-3.5 Turbo Instruct and Qwen3 4B Instruct 2507 open-weight models?

GPT-3.5 Turbo Instruct: API only. 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 GPT-3.5 Turbo Instruct and Qwen3 4B Instruct 2507?

ModelCap currently lists 1 API provider for GPT-3.5 Turbo 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 GPT-3.5 Turbo Instruct vs Qwen3 4B Instruct 2507 comparison?

Every figure comes from the sealed ModelCap dataset published 18 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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