LLM Reference

DeepSeek V3 vs Qwen3.6 Max Preview

DeepSeek V3 (2024) and Qwen3.6 Max Preview (2026) are frontier reasoning models from DeepSeek and Alibaba. DeepSeek V3 ships a 64k-token context window, while Qwen3.6 Max Preview ships a 256k-token context window. On MMLU PRO, Qwen3.6 Max Preview leads by 12.6 pts. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.

Qwen3.6 Max Preview fits 4x more tokens; pick it for long-context work and DeepSeek V3 for tighter calls.

Decision scorecard

Local evidence first
SignalDeepSeek V3Qwen3.6 Max Preview
Best fortool-calling agents and provider-routed productionreasoning-heavy apps, multimodal apps, and tool-calling agents
Decision fitCoding, Agents, and ClassificationCoding, RAG, and Agents
Context window64k256k
Cheapest output$0.30/1M tokens$6.24/1M tokens
Provider routes13 tracked3 tracked
Shared benchmarks2 sharedMMLU PRO leader

Decision tradeoffs

Choose DeepSeek V3 when...
  • DeepSeek V3 has the lower cheapest tracked output price at $0.30/1M tokens.
  • DeepSeek V3 has broader tracked provider coverage for fallback and route flexibility.
  • Local decision data tags DeepSeek V3 for Coding, Agents, and Classification.
Choose Qwen3.6 Max Preview when...
  • Qwen3.6 Max Preview holds a shared-benchmark lead on MMLU PRO, ahead by 12.6 points.
  • Qwen3.6 Max Preview has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Qwen3.6 Max Preview uniquely exposes Vision, Multimodal, and Reasoning in local model data.
  • Local decision data tags Qwen3.6 Max Preview for Coding, RAG, and Agents.

Monthly cost at traffic

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

Lower estimate DeepSeek V3

DeepSeek V3

$155

Cheapest tracked route/tier: Bitdeer AI

Qwen3.6 Max Preview

$2,392

Cheapest tracked route/tier: OpenRouter

Estimated monthly gap: $2,237. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

DeepSeek V3 -> Qwen3.6 Max Preview
  • Provider overlap exists on OpenRouter and Vercel AI Gateway; start route-level A/B tests there.
  • Qwen3.6 Max Preview is $5.94/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
  • Qwen3.6 Max Preview adds Vision, Multimodal, and Reasoning in local capability data.
Qwen3.6 Max Preview -> DeepSeek V3
  • Provider overlap exists on OpenRouter and Vercel AI Gateway; start route-level A/B tests there.
  • DeepSeek V3 is $5.94/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
  • Check replacement coverage for Vision, Multimodal, and Reasoning before moving production traffic.

Specs

Specification
Released2024-12-262026-04-20
Context window64k256k
Parameters671B
ArchitectureMixture of ExpertsMixture of Experts
LicenseMITOSI-approvedApache 2.0OSI-approved
OpennessOpen sourceOpen source
WeightsAvailableUnknown
CodeUnknownUnknown
Commercial useCommercial use: permittedCommercial use: permitted
Knowledge cutoff2024-04-

Pricing and availability

Pricing attributeDeepSeek V3Qwen3.6 Max Preview
Input price$0.10/1M tokens
0-128,000t
$1.30/1M tokens
128,000t+
$2/1M tokens
Output price$0.30/1M tokens
0-128,000t
$7.80/1M tokens
128,000t+
$12/1M tokens
Providers

Capabilities

CapabilityDeepSeek V3Qwen3.6 Max Preview
VisionNoYes
MultimodalNoYes
ReasoningNoYes
JSON / Tool useYesYes
Structured outputsYesYes
Code executionNoNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

BenchmarkDeepSeek V3Qwen3.6 Max Preview
MMLU PRO75.988.5
LiveCodeBench49.687.1

Continue comparing

Last reviewed: 2026-06-29. Data sourced from public model cards and provider documentation.