LLM Reference

GPT-5 Pro vs Qwen2.5-72B-Instruct

GPT-5 Pro (2025) and Qwen2.5-72B-Instruct (2024) are compact production models from OpenAI and Alibaba. GPT-5 Pro ships a 400k-token context window, while Qwen2.5-72B-Instruct ships a 128k-token context window. On pricing, Qwen2.5-72B-Instruct costs $0.18/1M input tokens versus $15/1M for the alternative. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.

Qwen2.5-72B-Instruct is ~8233% cheaper at $0.18/1M; pay for GPT-5 Pro only for coding workflow support.

Decision scorecard

Local evidence first
SignalGPT-5 ProQwen2.5-72B-Instruct
Best formultimodal apps and tool-calling agentsprovider-routed production
Decision fitCoding, RAG, and AgentsCoding, RAG, and Long context
Context window400k128k
Cheapest output$120/1M tokens$0.54/1M tokens
Provider routes1 tracked7 tracked
Shared benchmarks0 shared0 shared

Decision tradeoffs

Choose GPT-5 Pro when...
  • GPT-5 Pro has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • GPT-5 Pro uniquely exposes Vision, Multimodal, and Function calling in local model data.
  • Local decision data tags GPT-5 Pro for Coding, RAG, and Agents.
Choose Qwen2.5-72B-Instruct when...
  • Qwen2.5-72B-Instruct has the lower cheapest tracked output price at $0.54/1M tokens.
  • Qwen2.5-72B-Instruct has broader tracked provider coverage for fallback and procurement flexibility.
  • Local decision data tags Qwen2.5-72B-Instruct for Coding, RAG, and Long context.

Monthly cost at traffic

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

Lower estimate Qwen2.5-72B-Instruct

GPT-5 Pro

$42,000

Cheapest tracked route/tier: Vercel AI Gateway

Qwen2.5-72B-Instruct

$279

Cheapest tracked route/tier: Chutes AI

Estimated monthly gap: $41,721. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

GPT-5 Pro -> Qwen2.5-72B-Instruct
  • No overlapping tracked provider route is sourced for GPT-5 Pro and Qwen2.5-72B-Instruct; plan for SDK, billing, or endpoint changes.
  • Qwen2.5-72B-Instruct is $119/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
  • Check replacement coverage for Vision, Multimodal, and Function calling before moving production traffic.
Qwen2.5-72B-Instruct -> GPT-5 Pro
  • No overlapping tracked provider route is sourced for Qwen2.5-72B-Instruct and GPT-5 Pro; plan for SDK, billing, or endpoint changes.
  • GPT-5 Pro is $119/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
  • GPT-5 Pro adds Vision, Multimodal, and Function calling in local capability data.

Specs

Specification
Released2025-10-012024-06-07
Context window400k128k
Parameters72.7B
ArchitectureDecoder OnlyDecoder Only
LicenseProprietaryApache 2.0(OSI)
OpennessProprietaryOpen source
Commercial useCommercial use with conditionsCommercial use allowed
Knowledge cutoff2024-09-

Pricing and availability

Pricing attributeGPT-5 ProQwen2.5-72B-Instruct
Input price$15/1M tokens$0.18/1M tokens
Output price$120/1M tokens$0.54/1M tokens
Providers

Capabilities

CapabilityGPT-5 ProQwen2.5-72B-Instruct
VisionYesNo
MultimodalYesNo
ReasoningNoNo
Function callingYesNo
Tool useYesNo
Structured outputsYesYes
Code executionYesNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark scores are currently available for this pair.

Deep dive

The capability footprint differs most on vision: GPT-5 Pro, multimodal input: GPT-5 Pro, function calling: GPT-5 Pro, tool use: GPT-5 Pro, and code execution: GPT-5 Pro. 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, GPT-5 Pro lists $15/1M input and $120/1M output tokens on the cheapest tracked provider, while Qwen2.5-72B-Instruct lists $0.18/1M input and $0.54/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Qwen2.5-72B-Instruct lower by about $46.21 per million blended tokens. Availability is 1 providers versus 7, so concentration risk also matters.

Choose GPT-5 Pro when coding workflow support and larger context windows are central to the workload. Choose Qwen2.5-72B-Instruct when provider fit, lower input-token cost, and broader provider choice 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.

FAQ

Which has a larger context window, GPT-5 Pro or Qwen2.5-72B-Instruct?

GPT-5 Pro supports 400k 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, GPT-5 Pro or Qwen2.5-72B-Instruct?

Qwen2.5-72B-Instruct is cheaper on tracked token pricing. GPT-5 Pro costs $15/1M input and $120/1M output tokens. Qwen2.5-72B-Instruct costs $0.18/1M input and $0.54/1M output tokens. Provider discounts or batch pricing can still change the final bill.

Is GPT-5 Pro or Qwen2.5-72B-Instruct open source?

GPT-5 Pro is listed under Proprietary. 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 vision, GPT-5 Pro or Qwen2.5-72B-Instruct?

GPT-5 Pro 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, GPT-5 Pro or Qwen2.5-72B-Instruct?

GPT-5 Pro 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.

Where can I run GPT-5 Pro and Qwen2.5-72B-Instruct?

GPT-5 Pro is available on Vercel AI Gateway. 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: 2026-06-15. Data sourced from public model cards and provider documentation.