LLM Reference

Grok 4.3 vs Qwen3-Max

Grok 4.3 (2026) and Qwen3-Max (2026) are frontier reasoning models from xAI and Alibaba. Grok 4.3 ships a 1M-token context window, while Qwen3-Max ships a 128K-token context window. On pricing, Qwen3-Max costs $0.78/1M input tokens versus $1.25/1M for the alternative. This comparison covers specs, pricing, capabilities, benchmarks, provider availability, and production fit. It focuses on practical selection signals rather than broad model-family marketing.

Qwen3-Max is ~60% cheaper at $0.78/1M; pay for Grok 4.3 only for reasoning depth.

Decision scorecard

Local evidence first
SignalGrok 4.3Qwen3-Max
Decision fitRAG, Agents, and Long contextCoding, RAG, and Agents
Context window1M128K
Cheapest output$2.5/1M tokens$3.9/1M tokens
Provider routes3 tracked1 tracked
Shared benchmarks0 rows0 rows

Decision tradeoffs

Choose Grok 4.3 when...
  • Grok 4.3 has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Grok 4.3 has the lower cheapest tracked output price at $2.5/1M tokens.
  • Grok 4.3 has broader tracked provider coverage for fallback and procurement flexibility.
  • Grok 4.3 uniquely exposes Reasoning in local model data.
  • Local decision data tags Grok 4.3 for RAG, Agents, and Long context.
Choose Qwen3-Max when...
  • Local decision data tags Qwen3-Max for Coding, RAG, and Agents.

Monthly cost at traffic

Estimate token spend from the cheapest tracked input and output prices on this page.

Lower estimate Qwen3-Max

Grok 4.3

$1,625

Cheapest tracked route: xAI Console

Qwen3-Max

$1,599

Cheapest tracked route: OpenRouter

Estimated monthly gap: $26.00. Batch, cache, and negotiated pricing are excluded from this local estimate.

Switch friction

Grok 4.3 -> Qwen3-Max
  • Provider overlap exists on OpenRouter; start route-level A/B tests there.
  • Qwen3-Max is $1.4/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
  • Check replacement coverage for Reasoning before moving production traffic.
Qwen3-Max -> Grok 4.3
  • Provider overlap exists on OpenRouter; start route-level A/B tests there.
  • Grok 4.3 is $1.4/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
  • Grok 4.3 adds Reasoning in local capability data.

Specs

Specification
Released2026-05-062026-01-15
Context window1M128K
Parameters~0.5T
Architecture-decoder only
LicenseProprietaryProprietary
Knowledge cutoff2024-112025-12

Pricing and availability

Pricing attributeGrok 4.3Qwen3-Max
Input price$1.25/1M tokens$0.78/1M tokens
Output price$2.5/1M tokens$3.9/1M tokens
Providers

Capabilities

CapabilityGrok 4.3Qwen3-Max
VisionYesYes
MultimodalYesYes
ReasoningYesNo
Function callingYesYes
Tool useYesYes
Structured outputsYesYes
Code executionNoNo

Benchmarks

No shared benchmark rows are currently sourced for this pair.

Deep dive

The capability footprint differs most on reasoning mode: Grok 4.3. Both models share vision, 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.

For cost, Grok 4.3 lists $1.25/1M input and $2.5/1M output tokens, while Qwen3-Max lists $0.78/1M input and $3.9/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Grok 4.3 lower by about $0.09 per million blended tokens. Availability is 3 providers versus 1, so concentration risk also matters.

Choose Grok 4.3 when reasoning depth, larger context windows, and broader provider choice are central to the workload. Choose Qwen3-Max when vision-heavy evaluation and lower input-token cost 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. For teams standardizing a stack, that distinction is often the difference between a benchmark win and a reliable deployment.

FAQ

Which has a larger context window, Grok 4.3 or Qwen3-Max?

Grok 4.3 supports 1M tokens, while Qwen3-Max supports 128K tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible. Use this as a quick comparison signal, then confirm the provider-specific limits before committing to production.

Which is cheaper, Grok 4.3 or Qwen3-Max?

Qwen3-Max is cheaper on tracked token pricing. Grok 4.3 costs $1.25/1M input and $2.5/1M output tokens. Qwen3-Max costs $0.78/1M input and $3.9/1M output tokens. Provider discounts or batch pricing can still change the final bill.

Is Grok 4.3 or Qwen3-Max open source?

Grok 4.3 is listed under Proprietary. Qwen3-Max is listed under Proprietary. 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 or Qwen3-Max?

Both Grok 4.3 and Qwen3-Max expose vision. 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 multimodal input, Grok 4.3 or Qwen3-Max?

Both Grok 4.3 and Qwen3-Max 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.

Where can I run Grok 4.3 and Qwen3-Max?

Grok 4.3 is available on xAI Console, OpenRouter, and Microsoft Foundry. Qwen3-Max is available on OpenRouter. Provider coverage can affect latency, region availability, compliance posture, and fallback options. Use this as a quick comparison signal, then confirm the provider-specific limits before committing to production.

Continue comparing

Last reviewed: 2026-05-20. Data sourced from public model cards and provider documentation.