Grok 4 vs Qwen3.6 27B

xAI · US  |  Alibaba · China · Updated June 2026

Quick verdict

Pick Grok 4 for 256k context with native tool use or real-time data via x integration. Pick Qwen3.6 27B for the best open coding score in its family — 77.2% on swe-bench verified, beating alibaba's own 397b mixture-of-experts at a fifteenth of the size or dense, so quality per gigabyte of vram is high: it fits one consumer gpu when quantised. Choose Qwen3.6 27B if you need self-hosting or data privacy; Grok 4 if you want a managed API.

Grok 4 (xAI, US) and Qwen3.6 27B (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. Grok 4 is xAI's 2M-context model with live data access and strong reasoning chops. Qwen3.6 27B is a dense 27B multimodal model with its family's best coding score — it beats a 397B mixture-of-experts, but costs more per token. 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

SpecGrok 4Qwen3.6 27B
ProviderxAI (US) Alibaba (China)
ReleasedJuly 9, 2025 April 22, 2026
Context window256K (~384 pages) 256K (~393 pages)
Price (in/out)$3/$15 per 1M tokens Open weight (self-host / free)
Open weight?No — API only Yes — self-hostable
Modalitiestext, image, code text, image, code
SWE-Bench VerifiedNot published 77.2%
MRCR v2 @ 1MNot published Not published

Who wins what

256K context with native tool use

Grok 4

Grok 4 lists 256K context with native tool use among its strengths; Qwen3.6 27B does not.

Real-time data via X integration

Grok 4

Grok 4 lists real-time data via X integration among its strengths; Qwen3.6 27B does not.

Strong academic reasoning

Grok 4

Grok 4 lists strong academic reasoning among its strengths; Qwen3.6 27B does not.

The best open coding score in its family — 77.2% on SWE-Bench Verified, beating Alibaba's own 397B mixture-of-experts at a fifteenth of the size

Qwen3.6 27B

Open weights make this possible at all — Grok 4 is API-only, so it cannot leave the vendor's servers.

Dense, so quality per gigabyte of VRAM is high: it fits one consumer GPU when quantised

Qwen3.6 27B

A dense 27B multimodal model with its family's best coding score — it beats a 397B mixture-of-experts, but costs more per token — and its weights are open while Grok 4 is API-only.

Far stronger agentic work than its sparse sibling (59.3 against 51.5 on Terminal-Bench 2.0)

Qwen3.6 27B

Grok 4 is comparatively weak here — less independent benchmark coverage

Lowest cost at scale

Qwen3.6 27B

Its weights are open, so at volume you pay for your own hardware instead of Grok 4's $3/$15 per 1M tokens.

Which should you pick?

A cost-sensitive startup shipping high volume

Qwen3.6 27B

At Open weight (self-host / free) it undercuts Grok 4, and on millions of tokens that margin decides the monthly bill.

Someone analysing very long documents or codebases

Qwen3.6 27B

Larger 256K window fits more in one prompt.

A team with data-privacy or self-hosting needs

Qwen3.6 27B

Open weights let you run it on your own hardware; Grok 4 is API-only.

Anyone whose priority is 256k context with native tool use

Grok 4

It is specifically built for that.

Anyone whose priority is the best open coding score in its family — 77.2% on swe-bench verified, beating alibaba's own 397b mixture-of-experts at a fifteenth of the size

Qwen3.6 27B

That is its strongest area.

An enterprise with regional data-residency rules

Grok 4 or Qwen3.6 27B

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

Grok 4: where it fits

XAI's 2M-context model with live data access and strong reasoning chops. Released July 9, 2025 by xAI, it is built for 256K context with native tool use, real-time data via X integration, strong academic reasoning, and no long-context surcharge.

Its trade-offs are real: smaller ecosystem than OpenAI/Google, and less independent benchmark coverage. At $3 in / $15 out per million tokens, it sits in the mid price band.

Qwen3.6 27B: where it fits

A dense 27B multimodal model with its family's best coding score — it beats a 397B mixture-of-experts, but costs more per token. Released April 22, 2026 by Alibaba, it is built for the best open coding score in its family — 77.2% on SWE-Bench Verified, beating Alibaba's own 397B mixture-of-experts at a fifteenth of the size, dense, so quality per gigabyte of VRAM is high: it fits one consumer GPU when quantised, far stronger agentic work than its sparse sibling (59.3 against 51.5 on Terminal-Bench 2.0), and dense models fine-tune far more predictably than mixture-of-experts models do.

Its trade-offs: every parameter fires on every token, so it is slower and costlier per token than the sparse 35B, hosted output pricing is the harshest in its family, and provider input prices moved by roughly half in a single quarter, and its SWE-Bench score comes from Alibaba's internal scaffold rather than the standard public harness. 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. Qwen3.6 27B gives you weights you control — self-host it, fine-tune it, keep data in-house, pay only for hardware. Grok 4 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 Grok 4 and Qwen3.6 27B 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 Grok 4 or Qwen3.6 27B better for coding?

Public SWE-Bench figures are not available for Grok 4, so the honest test is your own repository — run an identical real bug through both. By design, Grok 4 leans toward 256k context with native tool use while Qwen3.6 27B leans toward the best open coding score in its family — 77.2% on swe-bench verified, beating alibaba's own 397b mixture-of-experts at a fifteenth of the size, and that positioning usually predicts which feels better on your codebase.

Which is cheaper, Grok 4 or Qwen3.6 27B?

Qwen3.6 27B is open-weight, so self-hosting means no per-token fee (you pay for hardware instead), while Grok 4 is API-metered at $3/$15 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?

Effectively neither — 256K vs 256K is a difference of a few percent. Remember advertised ≠ usable: recall typically degrades before the ceiling.

Can I use both Grok 4 and Qwen3.6 27B together?

Yes — a multi-model platform like LumiChats gives you Grok 4, Qwen3.6 27B 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, Grok 4 or Qwen3.6 27B?

Qwen3.6 27B — released April 22, 2026, about 10 months after Grok 4.

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.