Skip to content
ModelCap

Head-to-head comparison

GPT-5.2 Chat vs Qwen3.8 27B

GPT-5.2 Chat (OpenAI) and Qwen3.8 27B (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, GPT-5.2 Chat holds the stronger ModelCap Index position (#9 vs #16); Qwen3.8 27B is 4.4× cheaper per output token ($3.20/1M vs $14.00/1M); Qwen3.8 27B offers the longer context window (262K vs 128K tokens); and Qwen3.8 27B ships open weights.

Which should you choose?

Choose GPT-5.2 Chat if…

  • you want the stronger overall ModelCap Index position — #9 against #16 (74.9 vs 69.6 points).

Choose Qwen3.8 27B if…

  • API cost matters — $3.20/1M output tokens against $14.00/1M, about 4.4× cheaper.
  • your workload is prompt-heavy — input tokens cost $0.45/1M against $1.75/1M.
  • you need the longer context window — 262K tokens against 128K.
  • you want to self-host: Qwen3.8 27B ships open weights while GPT-5.2 Chat is api only.
  • you want provider choice — 3 listed API providers against 1.
  • you want the more recently listed model — Qwen3.8 27B was listed 14 August 2026, GPT-5.2 Chat 10 December 2025.

GPT-5.2 Chat vs Qwen3.8 27B: specs, pricing and context

Specification comparison of GPT-5.2 Chat and Qwen3.8 27B
FieldGPT-5.2 ChatOpenAIQwen3.8 27BQwen
ModelCap Index position#9#16
Index score74.969.6
EvidenceMeasuredMeasured
Input price / 1M tokens$1.75$0.45
Output price / 1M tokens$14.00$3.20
Context window128K tokens262K tokens
Max output tokens32K131K
API providers listed13
Weight accessAPI onlyOpen weights
Input modalitiesFile, Image, TextText, Image, Video
First listed10 December 202514 August 2026
PublisherOpenAIQwen

Evidence: 2 public benchmark observations across 2 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: GPT-5.2 Chat vs Qwen3.8 27B

Public benchmark boards where GPT-5.2 Chat or Qwen3.8 27B has a published result
BoardGPT-5.2 ChatQwen3.8 27BLeads
Arena codingArena (LMArena)15151508–1522—Only one result
Artificial Analysis Intelligence IndexArtificial Analysis—52.0intelligence-indexOnly 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-5.2 Chat vs Qwen3.8 27B: common questions

Is GPT-5.2 Chat better than Qwen3.8 27B?

GPT-5.2 Chat ranks higher on the ModelCap Index as of 17 August 2026: #9 against #16. 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-5.2 Chat cheaper than Qwen3.8 27B?

Qwen3.8 27B is cheaper on output tokens: $3.20/1M against $14.00/1M. Input tokens are $1.75/1M for GPT-5.2 Chat and $0.45/1M for Qwen3.8 27B. Prices are the lowest listed API offer ModelCap observed, in USD per million tokens.

Which has the bigger context window, GPT-5.2 Chat or Qwen3.8 27B?

Qwen3.8 27B has the larger context window: 262K tokens against 128K.

Which is better for coding, GPT-5.2 Chat or Qwen3.8 27B?

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-5.2 Chat and Qwen3.8 27B open-weight models?

GPT-5.2 Chat: API only. Qwen3.8 27B: 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-5.2 Chat and Qwen3.8 27B?

ModelCap currently lists 1 API provider for GPT-5.2 Chat and 3 for Qwen3.8 27B, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this GPT-5.2 Chat vs Qwen3.8 27B 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.

Explore further