LLM Reference

DeepSeek V4 Pro vs Qwen3.6-Max

DeepSeek V4 Pro (2026) and Qwen3.6-Max (2026) are frontier reasoning models from DeepSeek and Alibaba. DeepSeek V4 Pro ships a 1m-token context window, while Qwen3.6-Max ships a 262k-token context window. On Google-Proof Q&A, Qwen3.6-Max leads by 1.7 pts. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.

DeepSeek V4 Pro is safer overall; choose Qwen3.6-Max when vision-heavy evaluation matters.

Decision scorecard

Local evidence first
SignalDeepSeek V4 ProQwen3.6-Max
Best forreasoning-heavy apps, tool-calling agents, and long-context analysismultimodal apps
Decision fitCoding, RAG, and AgentsLong context and Vision
Context window1m262k
Cheapest output$0.87/1M tokens-
Provider routes5 tracked1 tracked
Shared benchmarks2 sharedGoogle-Proof Q&A leader

Decision tradeoffs

Choose DeepSeek V4 Pro when...
  • DeepSeek V4 Pro holds a shared-benchmark lead on Terminal-Bench 2.0, ahead by 2.5 points.
  • DeepSeek V4 Pro has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • DeepSeek V4 Pro has broader tracked provider coverage for fallback and procurement flexibility.
  • DeepSeek V4 Pro uniquely exposes Reasoning, Function calling, and Tool use in local model data.
  • Local decision data tags DeepSeek V4 Pro for Coding, RAG, and Agents.
Choose Qwen3.6-Max when...
  • Qwen3.6-Max holds a shared-benchmark lead on Google-Proof Q&A, ahead by 1.7 points.
  • Qwen3.6-Max uniquely exposes Vision and Multimodal in local model data.
  • Local decision data tags Qwen3.6-Max for Long context and Vision.

Monthly cost at traffic

Estimate token spend from the cheapest tracked input and output route or tier on this page.

DeepSeek V4 Pro

$566

Cheapest tracked route/tier: DeepSeek Platform

Qwen3.6-Max

Unavailable

No complete token price in local provider data

Cost delta unavailable until both models have sourced input and output token prices.

Switch friction

DeepSeek V4 Pro -> Qwen3.6-Max
  • No overlapping tracked provider route is sourced for DeepSeek V4 Pro and Qwen3.6-Max; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Reasoning, Function calling, and Tool use before moving production traffic.
  • Qwen3.6-Max adds Vision and Multimodal in local capability data.
Qwen3.6-Max -> DeepSeek V4 Pro
  • No overlapping tracked provider route is sourced for Qwen3.6-Max and DeepSeek V4 Pro; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Vision and Multimodal before moving production traffic.
  • DeepSeek V4 Pro adds Reasoning, Function calling, and Tool use in local capability data.

Specs

Specification
Released2026-04-242026-04-13
Context window1m262k
Parameters1.6T
ArchitectureMixture of Experts-
LicenseMIT(OSI)Apache 2.0(OSI)
OpennessOpen sourceOpen source
Commercial useCommercial use allowedCommercial use allowed
Knowledge cutoff--

Pricing and availability

Pricing attributeDeepSeek V4 ProQwen3.6-Max
Input price$0.43/1M tokens-
Output price$0.87/1M tokens-
Providers

Capabilities

CapabilityDeepSeek V4 ProQwen3.6-Max
VisionNoYes
MultimodalNoYes
ReasoningYesNo
Function callingYesNo
Tool useYesNo
Structured outputsYesNo
Code executionNoNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

BenchmarkDeepSeek V4 ProQwen3.6-Max
Google-Proof Q&A90.191.8
Terminal-Bench 2.067.965.4

Deep dive

On shared benchmark coverage, Google-Proof Q&A has DeepSeek V4 Pro at 90.1 and Qwen3.6-Max at 91.8, with Qwen3.6-Max ahead by 1.7 points; Terminal-Bench 2.0 has DeepSeek V4 Pro at 67.9 and Qwen3.6-Max at 65.4, with DeepSeek V4 Pro ahead by 2.5 points. The largest visible gap is 2.5 points on Terminal-Bench 2.0, which matters most when that benchmark mirrors your workload. Treat isolated benchmark wins as directional, because provider routing, prompt style, and tool access can move real application results.

The capability footprint differs most on vision: Qwen3.6-Max, multimodal input: Qwen3.6-Max, reasoning mode: DeepSeek V4 Pro, function calling: DeepSeek V4 Pro, tool use: DeepSeek V4 Pro, and structured outputs: DeepSeek V4 Pro. Both models share the core language-model surface, 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: DeepSeek V4 Pro has $0.43/1M input tokens and Qwen3.6-Max has no token price sourced yet. Provider availability is 5 tracked routes versus 1. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.

Choose DeepSeek V4 Pro when reasoning depth, larger context windows, and broader provider choice are central to the workload. Choose Qwen3.6-Max when vision-heavy evaluation are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship.

FAQ

Which has a larger context window, DeepSeek V4 Pro or Qwen3.6-Max?

DeepSeek V4 Pro supports 1m tokens, while Qwen3.6-Max supports 262k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.

Is DeepSeek V4 Pro or Qwen3.6-Max open source?

DeepSeek V4 Pro is listed under MIT. Qwen3.6-Max 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, DeepSeek V4 Pro or Qwen3.6-Max?

Qwen3.6-Max 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. Use this as a quick comparison signal, then confirm the provider-specific limits before committing to production.

Which is better for multimodal input, DeepSeek V4 Pro or Qwen3.6-Max?

Qwen3.6-Max has the clearer documented multimodal input signal in this comparison. If multimodal input is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.

Which is better for reasoning mode, DeepSeek V4 Pro or Qwen3.6-Max?

DeepSeek V4 Pro 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.

Where can I run DeepSeek V4 Pro and Qwen3.6-Max?

DeepSeek V4 Pro is available on DeepSeek Platform, Fireworks AI, OpenRouter, Vercel AI Gateway, and Novita AI. Qwen3.6-Max is available on Alibaba Cloud PAI-EAS. Provider coverage can affect latency, region availability, compliance posture, and fallback options.

Continue comparing

Last reviewed: 2026-06-15. Data sourced from public model cards and provider documentation.