gpt-oss-120b vs Qwen 3.7 Plus

OpenAI · US  |  Alibaba · China · Updated June 2026

Quick verdict

Pick gpt-oss-120b for self-hostable on a single 80gb h100 gpu via mxfp4 or configurable reasoning depth (low/medium/high). Pick Qwen 3.7 Plus for reading screens and interacting with guis or generating code from visual references. Choose gpt-oss-120b if you need self-hosting or data privacy; Qwen 3.7 Plus if you want a managed API.

gpt-oss-120b (OpenAI, US) and Qwen 3.7 Plus (Alibaba, China) line up two different AI ecosystems against each other — a comparison that is as much about cost philosophy and openness as raw capability. gpt-oss-120b is openAI's open-weight 117B-parameter MoE reasoning model (5.1B active) that runs on a single 80GB GPU and approaches o4-mini on reasoning, coding, and tool use. Qwen 3.7 Plus is alibaba's cost-effective multimodal agent in the Qwen3.7 series, built to perceive scenes, read screens and GUIs, generate code from visual references, and navigate mobile apps end-to-end. They diverge most on price, context window and open vs. closed weights — each quantified below from the models' real specs.

Key differences at a glance

Side-by-side specs

Specgpt-oss-120bQwen 3.7 Plus
ProviderOpenAI (US) Alibaba (China)
ReleasedAugust 5, 2025 June 1, 2026
Context window131K (~197 pages) 1M (~1,500 pages)
Price (in/out)Open weight (self-host / free) $0.4/$1.6 per 1M tokens
Open weight?Yes — self-hostable No — API only
Modalitiestext, code text, image, video, code
SWE-Bench Verified62.4% Not published
MRCR v2 @ 1MNot published Not published

Who wins what

Self-hostable on a single 80GB H100 GPU via MXFP4

gpt-oss-120b

A core design strength of gpt-oss-120b.

Configurable reasoning depth (low/medium/high)

gpt-oss-120b

A core design strength of gpt-oss-120b.

Agentic tool use, function calling, and code execution

gpt-oss-120b

A core design strength of gpt-oss-120b.

Reading screens and interacting with GUIs

Qwen 3.7 Plus

A core design strength of Qwen 3.7 Plus.

Generating code from visual references

Qwen 3.7 Plus

A core design strength of Qwen 3.7 Plus.

Agentic tool use, verification, and autonomous iteration

Qwen 3.7 Plus

A core design strength of Qwen 3.7 Plus.

Lowest cost at scale

gpt-oss-120b

At Open weight (self-host / free), it is the cheaper of the two — the gap dominates the bill on high-volume workloads.

Largest single-prompt input

Qwen 3.7 Plus

Its 1M window is about 7.6× larger, fitting roughly 1,500 pages in one prompt.

Which should you pick?

A cost-sensitive startup shipping high volume

gpt-oss-120b

At Open weight (self-host / free) it undercuts Qwen 3.7 Plus, and on millions of tokens that margin decides the monthly bill.

Someone analysing very long documents or codebases

Qwen 3.7 Plus

Larger 1M window fits more in one prompt.

A team with data-privacy or self-hosting needs

gpt-oss-120b

Open weights let you run it on your own hardware; Qwen 3.7 Plus is API-only.

Anyone whose priority is self-hostable on a single 80gb h100 gpu via mxfp4

gpt-oss-120b

It is specifically built for that.

Anyone whose priority is reading screens and interacting with guis

Qwen 3.7 Plus

That is its strongest area.

An enterprise with regional data-residency rules

gpt-oss-120b or Qwen 3.7 Plus

Origin (US vs China) affects where data is processed and which compliance regime applies — check the provider's terms for your region.

gpt-oss-120b: where it fits

OpenAI's open-weight 117B-parameter MoE reasoning model (5.1B active) that runs on a single 80GB GPU and approaches o4-mini on reasoning, coding, and tool use. Released August 5, 2025 by OpenAI, it is built for self-hostable on a single 80GB H100 GPU via MXFP4, configurable reasoning depth (low/medium/high), agentic tool use, function calling, and code execution, and full chain-of-thought visibility for debugging.

Its trade-offs are real: text-only, no image, audio, or video input, and 131K context and 5.1B active params trail the largest frontier closed models. As an open-weight model, its running cost is your own hardware rather than a per-token fee.

Qwen 3.7 Plus: where it fits

Alibaba's cost-effective multimodal agent in the Qwen3.7 series, built to perceive scenes, read screens and GUIs, generate code from visual references, and navigate mobile apps end-to-end. Released June 1, 2026 by Alibaba, it is built for reading screens and interacting with GUIs, generating code from visual references, agentic tool use, verification, and autonomous iteration, and cost-effective vision-language processing at 1M context.

Its trade-offs: proprietary and API-only, with no downloadable weights, and outputs text only, no image, audio, or video generation. At $0.4 in / $1.6 out per million tokens, it sits in the budget price band.

The bottom line for this matchup

The defining split here is open vs. closed. gpt-oss-120b gives you weights you control — self-host it, fine-tune it, keep data in-house, pay only for hardware. Qwen 3.7 Plus gives you a managed, always-updated API with no infrastructure to run. Teams with GPUs, privacy requirements, or huge volume often favour the open model; teams that want zero ops and the latest capabilities favour the closed one. Capability is close enough that this operational question, not the benchmark, usually decides it.

Want both gpt-oss-120b and Qwen 3.7 Plus without two subscriptions? LumiChats gives you these plus 40+ models under one ₹69/day pass (about $1/day) — draft with one, cross-check with the other.

See pricing

Frequently asked questions

Is gpt-oss-120b or Qwen 3.7 Plus better for coding?

Public SWE-Bench figures are not available for Qwen 3.7 Plus, so the honest test is your own repository — run an identical real bug through both. By design, gpt-oss-120b leans toward self-hostable on a single 80gb h100 gpu via mxfp4 while Qwen 3.7 Plus leans toward reading screens and interacting with guis, and that positioning usually predicts which feels better on your codebase.

Which is cheaper, gpt-oss-120b or Qwen 3.7 Plus?

gpt-oss-120b is open-weight, so self-hosting means no per-token fee (you pay for hardware instead), while Qwen 3.7 Plus is API-metered at $0.4/$1.6 per 1M tokens. For most teams without GPUs, the API model is cheaper to start; at very high volume, self-hosting can win.

Which has the bigger context window?

Qwen 3.7 Plus — 1M vs 131K, about 7.6× larger. Useful only if the model actually reasons over the full window, which not all do.

Can I use both gpt-oss-120b and Qwen 3.7 Plus together?

Yes — a multi-model platform like LumiChats gives you gpt-oss-120b, Qwen 3.7 Plus and 40+ others under one ₹69/day pass (about $1/day), so you can draft with one and cross-check with the other instead of buying two subscriptions.

Which is newer, gpt-oss-120b or Qwen 3.7 Plus?

Qwen 3.7 Plus — released June 1, 2026, about 10 months after gpt-oss-120b.

Related comparisons

Specifications and benchmarks reflect publicly reported figures as of June 2026 and may change as providers release updates. Always verify on your own workload.