Gemini 2.5 Flash vs Qwen3 235B A22B

Google · US  |  Alibaba · China · Updated June 2026

Quick verdict

Pick Gemini 2.5 Flash for cheapest 1m-context option or very fast. Pick Qwen3 235B A22B for deep world knowledge from 235b total parameters (83.0 mmlu-pro, 93.1 mmlu-redux) or exceptional multilingual and alignment results (79.2 arena-hard v2, 85.2 writingbench). Choose Qwen3 235B A22B if you need self-hosting or data privacy; Gemini 2.5 Flash if you want a managed API.

Gemini 2.5 Flash (Google, US) and Qwen3 235B A22B (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. Gemini 2.5 Flash is google's ultra-cheap, fast 1M-context model for high-volume multimodal work. Qwen3 235B A22B is an older 235B text-only open mixture-of-experts with broad knowledge and strong writing — but no vision, no thinking mode, and weak coding. 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

SpecGemini 2.5 FlashQwen3 235B A22B
ProviderGoogle (US) Alibaba (China)
ReleasedJune 2025 July 21, 2025
Context window1M (~1,500 pages) 256K (~393 pages)
Price (in/out)$0.3/$2.5 per 1M tokens Open weight (self-host / free)
Open weight?No — API only Yes — self-hostable
Modalitiestext, image, audio, video, code text, code
SWE-Bench VerifiedNot published Not published
MRCR v2 @ 1MNot published Not published

Who wins what

Cheapest 1M-context option

Gemini 2.5 Flash

Its 1M window holds about 3.8× more than Qwen3 235B A22B's 256K in a single prompt.

Very fast

Gemini 2.5 Flash

Google's ultra-cheap, fast 1M-context model for high-volume multimodal work — and it carries the larger 1M context.

High-volume multimodal

Gemini 2.5 Flash

Gemini 2.5 Flash lists high-volume multimodal among its strengths; Qwen3 235B A22B does not.

Deep world knowledge from 235B total parameters (83.0 MMLU-Pro, 93.1 MMLU-Redux)

Qwen3 235B A22B

An older 235B text-only open mixture-of-experts with broad knowledge and strong writing — but no vision, no thinking mode, and weak coding — and its weights are open while Gemini 2.5 Flash is API-only.

Exceptional multilingual and alignment results (79.2 Arena-Hard v2, 85.2 WritingBench)

Qwen3 235B A22B

An older 235B text-only open mixture-of-experts with broad knowledge and strong writing — but no vision, no thinking mode, and weak coding — and it is the newer of the two.

Outstanding structured logic — 95.0 on ZebraLogic

Qwen3 235B A22B

Qwen3 235B A22B lists outstanding structured logic — 95.0 on ZebraLogic among its strengths; Gemini 2.5 Flash does not.

Lowest cost at scale

Qwen3 235B A22B

Its weights are open, so at volume you pay for your own hardware instead of Gemini 2.5 Flash's $0.3/$2.5 per 1M tokens.

Largest single-prompt input

Gemini 2.5 Flash

Its 1M window is about 3.8× larger than Qwen3 235B A22B's 256K, fitting roughly 1,500 pages in one prompt.

Which should you pick?

A cost-sensitive startup shipping high volume

Qwen3 235B A22B

At Open weight (self-host / free) it undercuts Gemini 2.5 Flash, and on millions of tokens that margin decides the monthly bill.

Someone analysing very long documents or codebases

Gemini 2.5 Flash

Larger 1M window fits more in one prompt.

A team with data-privacy or self-hosting needs

Qwen3 235B A22B

Open weights let you run it on your own hardware; Gemini 2.5 Flash is API-only.

Anyone whose priority is cheapest 1m-context option

Gemini 2.5 Flash

It is specifically built for that.

Anyone whose priority is deep world knowledge from 235b total parameters (83.0 mmlu-pro, 93.1 mmlu-redux)

Qwen3 235B A22B

That is its strongest area.

An enterprise with regional data-residency rules

Gemini 2.5 Flash or Qwen3 235B A22B

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

Gemini 2.5 Flash: where it fits

Google's ultra-cheap, fast 1M-context model for high-volume multimodal work. Released June 2025 by Google, it is built for cheapest 1M-context option, very fast, high-volume multimodal, and workspace integration.

Its trade-offs are real: lighter reasoning than Pro tiers, and superseded by 3.5 Flash. At $0.3 in / $2.5 out per million tokens, it sits in the budget price band.

Qwen3 235B A22B: where it fits

An older 235B text-only open mixture-of-experts with broad knowledge and strong writing — but no vision, no thinking mode, and weak coding. Released July 21, 2025 by Alibaba, it is built for deep world knowledge from 235B total parameters (83.0 MMLU-Pro, 93.1 MMLU-Redux), exceptional multilingual and alignment results (79.2 Arena-Hard v2, 85.2 WritingBench), outstanding structured logic — 95.0 on ZebraLogic, and no thinking mode, which makes latency and token spend entirely predictable.

Its trade-offs: nearly a year old and superseded — Artificial Analysis now steers users to Qwen3.5-397B instead, text-only with no vision, and the absence of a thinking mode caps its hardest reasoning, coding is weak by 2026 standards, and it publishes no SWE-Bench score to compare on, and its 235B weights need roughly 438GB in BF16, far beyond consumer hardware. As an open-weight model, its running cost is your own hardware rather than a per-token fee.

The bottom line for this matchup

The defining split here is open vs. closed. Qwen3 235B A22B gives you weights you control — self-host it, fine-tune it, keep data in-house, pay only for hardware. Gemini 2.5 Flash 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 Gemini 2.5 Flash and Qwen3 235B A22B 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 Gemini 2.5 Flash or Qwen3 235B A22B better for coding?

Public SWE-Bench figures are not available for either model, so the honest test is your own repository — run an identical real bug through both. By design, Gemini 2.5 Flash leans toward cheapest 1m-context option while Qwen3 235B A22B leans toward deep world knowledge from 235b total parameters (83.0 mmlu-pro, 93.1 mmlu-redux), and that positioning usually predicts which feels better on your codebase.

Which is cheaper, Gemini 2.5 Flash or Qwen3 235B A22B?

Qwen3 235B A22B is open-weight, so self-hosting means no per-token fee (you pay for hardware instead), while Gemini 2.5 Flash is API-metered at $0.3/$2.5 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?

Gemini 2.5 Flash — 1M vs 256K, about 3.8× larger. Useful only if the model actually reasons over the full window, which not all do.

Can I use both Gemini 2.5 Flash and Qwen3 235B A22B together?

Yes — a multi-model platform like LumiChats gives you Gemini 2.5 Flash, Qwen3 235B A22B 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, Gemini 2.5 Flash or Qwen3 235B A22B?

Qwen3 235B A22B — released July 21, 2025, about 50 days after Gemini 2.5 Flash.

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.