Grok 4.3 Beta vs Qwen3.6-35B-A3B
Grok 4.3 Beta (2026) and Qwen3.6-35B-A3B (2026) are agentic coding models from xAI and Alibaba. Grok 4.3 Beta ships a 2M-token context window, while Qwen3.6-35B-A3B ships a 262K-token context window. This comparison covers specs, pricing, capabilities, benchmarks, provider availability, and production fit. It focuses on practical selection signals rather than broad model-family marketing. The goal is to make the tradeoff clear before deeper testing.
Grok 4.3 Beta fits 8x more tokens; pick it for long-context work and Qwen3.6-35B-A3B for tighter calls.
Specs
| Released | 2026-04-17 | 2026-04-16 |
| Context window | 2M | 262K |
| Parameters | ~0.5T | 35 |
| Architecture | - | moe |
| License | Proprietary | Apache 2.0 |
| Knowledge cutoff | - | - |
Pricing and availability
| Grok 4.3 Beta | Qwen3.6-35B-A3B | |
|---|---|---|
| Input price | - | - |
| Output price | - | - |
| Providers | - | - |
Pricing not yet sourced for either model.
Capabilities
| Grok 4.3 Beta | Qwen3.6-35B-A3B | |
|---|---|---|
| Vision | ||
| Multimodal | ||
| Reasoning | ||
| Function calling | ||
| Tool use | ||
| Structured outputs | ||
| Code execution |
Benchmarks
No shared benchmark rows are currently sourced for this pair.
Deep dive
The capability footprint differs most on vision: Grok 4.3 Beta, reasoning mode: Grok 4.3 Beta, and structured outputs: Grok 4.3 Beta. Both models share multimodal input, function calling, and tool use, so the practical split is not just feature count. Use those differences to decide whether the page is about raw model quality, agentic coding support, multimodal ingestion, or predictable structured API behavior.
Pricing coverage is uneven: Grok 4.3 Beta has no token price sourced yet and Qwen3.6-35B-A3B has no token price sourced yet. Provider availability is 0 tracked routes versus 0. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.
Choose Grok 4.3 Beta when reasoning depth and larger context windows are central to the workload. Choose Qwen3.6-35B-A3B when coding workflow support are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship. This keeps the decision grounded in measurable tradeoffs instead of brand-level assumptions. It also helps separate model capability from provider packaging, which can change cost and latency.
FAQ
Which has a larger context window, Grok 4.3 Beta or Qwen3.6-35B-A3B?
Grok 4.3 Beta supports 2M tokens, while Qwen3.6-35B-A3B supports 262K tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Is Grok 4.3 Beta or Qwen3.6-35B-A3B open source?
Grok 4.3 Beta is listed under Proprietary. Qwen3.6-35B-A3B is listed under Apache 2.0. License labels affect whether you can self-host, redistribute weights, or rely only on hosted APIs, so confirm the upstream license before deployment.
Which is better for vision, Grok 4.3 Beta or Qwen3.6-35B-A3B?
Grok 4.3 Beta has the clearer documented vision signal in this comparison. If vision is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for multimodal input, Grok 4.3 Beta or Qwen3.6-35B-A3B?
Both Grok 4.3 Beta and Qwen3.6-35B-A3B expose multimodal input. The better choice depends on benchmark fit, context budget, pricing, and whether your provider route exposes the same capability surface. Use this as a quick comparison signal, then confirm the provider-specific limits before committing to production.
Which is better for reasoning mode, Grok 4.3 Beta or Qwen3.6-35B-A3B?
Grok 4.3 Beta has the clearer documented reasoning mode signal in this comparison. If reasoning mode is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
When should I pick Grok 4.3 Beta over Qwen3.6-35B-A3B?
Grok 4.3 Beta fits 8x more tokens; pick it for long-context work and Qwen3.6-35B-A3B for tighter calls. If your workload also depends on reasoning depth, start with Grok 4.3 Beta; if it depends on coding workflow support, run the same evaluation with Qwen3.6-35B-A3B.
Continue comparing
Last reviewed: 2026-04-25. Data sourced from public model cards and provider documentation.