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DeepSeek R1 vs Qwen2.5-72B-Instruct

DeepSeek R1 (2025) and Qwen2.5-72B-Instruct (2024) are frontier reasoning models from DeepSeek and Alibaba. DeepSeek R1 ships a 128K-token context window, while Qwen2.5-72B-Instruct ships a 128K-token context window. On Google-Proof Q&A, DeepSeek R1 leads by 6.1 pts. On pricing, DeepSeek R1 costs $0.1/1M input tokens versus $0.12/1M for the alternative. This comparison covers specs, pricing, capabilities, benchmarks, provider availability, and production fit.

Pick DeepSeek R1 for reasoning; Qwen2.5-72B-Instruct is better when provider fit matters more.

Specs

Released2025-01-202024-06-07
Context window128K128K
Parameters671B, 37B Active72.7B
Architecturedecoder onlydecoder only
LicenseOpen SourceApache 2.0
Knowledge cutoff--

Pricing and availability

DeepSeek R1Qwen2.5-72B-Instruct
Input price$0.1/1M tokens$0.12/1M tokens
Output price$0.3/1M tokens$0.39/1M tokens
Providers

Capabilities

DeepSeek R1Qwen2.5-72B-Instruct
Vision
Multimodal
Reasoning
Function calling
Tool use
Structured outputs
Code execution

Benchmarks

BenchmarkDeepSeek R1Qwen2.5-72B-Instruct
Google-Proof Q&A71.565.4
HumanEval89.992.7
Chatbot Arena1372.01270.0

Deep dive

On shared benchmark coverage, Google-Proof Q&A has DeepSeek R1 at 71.5 and Qwen2.5-72B-Instruct at 65.4, with DeepSeek R1 ahead by 6.1 points; HumanEval has DeepSeek R1 at 89.9 and Qwen2.5-72B-Instruct at 92.7, with Qwen2.5-72B-Instruct ahead by 2.8 points; Chatbot Arena has DeepSeek R1 at 1372 and Qwen2.5-72B-Instruct at 1270, with DeepSeek R1 ahead by 102 points. The largest visible gap is 102 points on Chatbot Arena, 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 reasoning mode: DeepSeek R1 and code execution: DeepSeek R1. Both models share structured outputs, 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, DeepSeek R1 lists $0.1/1M input and $0.3/1M output tokens, while Qwen2.5-72B-Instruct lists $0.12/1M input and $0.39/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts DeepSeek R1 lower by about $0.04 per million blended tokens. Availability is 13 providers versus 7, so concentration risk also matters.

Choose DeepSeek R1 when coding workflow support, lower input-token cost, and broader provider choice are central to the workload. Choose Qwen2.5-72B-Instruct when provider fit 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 R1 or Qwen2.5-72B-Instruct?

DeepSeek R1 supports 128K tokens, while Qwen2.5-72B-Instruct 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, DeepSeek R1 or Qwen2.5-72B-Instruct?

DeepSeek R1 is cheaper on tracked token pricing. DeepSeek R1 costs $0.1/1M input and $0.3/1M output tokens. Qwen2.5-72B-Instruct costs $0.12/1M input and $0.39/1M output tokens. Provider discounts or batch pricing can still change the final bill.

Is DeepSeek R1 or Qwen2.5-72B-Instruct open source?

DeepSeek R1 is listed under Open Source. Qwen2.5-72B-Instruct 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 reasoning mode, DeepSeek R1 or Qwen2.5-72B-Instruct?

DeepSeek R1 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.

Which is better for structured outputs, DeepSeek R1 or Qwen2.5-72B-Instruct?

Both DeepSeek R1 and Qwen2.5-72B-Instruct expose structured outputs. 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 DeepSeek R1 and Qwen2.5-72B-Instruct?

DeepSeek R1 is available on DeepSeek Platform, OpenRouter, Together AI, Fireworks AI, and NVIDIA NIM. Qwen2.5-72B-Instruct is available on DeepInfra, OpenRouter, Fireworks AI, Novita AI, and Chutes AI. Provider coverage can affect latency, region availability, compliance posture, and fallback options.

Continue comparing

Last reviewed: 2026-04-24. Data sourced from public model cards and provider documentation.