DeepSeek V4 Pro vs Qwen3-105B
DeepSeek V4 Pro (2026) and Qwen3-105B (2025) are frontier reasoning models from DeepSeek and Alibaba. DeepSeek V4 Pro ships a 1m-token context window, while Qwen3-105B ships a 128k-token context window. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads. It focuses on practical selection signals rather than broad model-family marketing.
DeepSeek V4 Pro fits 8x more tokens; pick it for long-context work and Qwen3-105B for tighter calls.
Decision scorecard
Local evidence first| Signal | DeepSeek V4 Pro | Qwen3-105B |
|---|---|---|
| Best for | reasoning-heavy apps, tool-calling agents, and long-context analysis | tool-calling agents |
| Decision fit | Coding, RAG, and Agents | RAG, Agents, and Long context |
| Context window | 1m | 128k |
| Cheapest output | $0.87/1M tokens | - |
| Provider routes | 5 tracked | 0 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- 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 route flexibility.
- DeepSeek V4 Pro uniquely exposes Reasoning and Structured outputs in local model data.
- Local decision data tags DeepSeek V4 Pro for Coding, RAG, and Agents.
- Local decision data tags Qwen3-105B for RAG, Agents, and Long context.
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
Qwen3-105B
Unavailable
No complete token price in local provider data
Cost delta unavailable until both models have sourced input and output token prices.
Switch friction
- No overlapping tracked provider route is sourced for DeepSeek V4 Pro and Qwen3-105B; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Reasoning and Structured outputs before moving production traffic.
- No overlapping tracked provider route is sourced for Qwen3-105B and DeepSeek V4 Pro; plan for SDK, billing, or endpoint changes.
- DeepSeek V4 Pro adds Reasoning and Structured outputs in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-04-24 | 2025-12-15 |
| Context window | 1m | 128k |
| Parameters | 1.6T | 105B |
| Architecture | Mixture of Experts | - |
| License | MITOSI-approved | Apache 2.0OSI-approved |
| Openness | Open source | Open source |
| Weights | Available | Available |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: permitted | Commercial use: permitted |
| Knowledge cutoff | - | 2025-02 |
Pricing and availability
| Pricing attribute | DeepSeek V4 Pro | Qwen3-105B |
|---|---|---|
| Input price | $0.43/1M tokens | - |
| Output price | $0.87/1M tokens | - |
| Providers | - |
Capabilities
| Capability | DeepSeek V4 Pro | Qwen3-105B |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | Yes | No |
| JSON / Tool use | Yes | Yes |
| Structured outputs | Yes | No |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
No shared benchmark scores are currently available for this pair.
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Last reviewed: 2026-06-29. Data sourced from public model cards and provider documentation.