LLM Reference

DeepSeek V4 Pro vs GPT-4o (11-20)

DeepSeek V4 Pro (2026) and GPT-4o (11-20) (2024) are frontier reasoning models from DeepSeek and OpenAI. DeepSeek V4 Pro ships a 1m-token context window, while GPT-4o (11-20) 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 GPT-4o (11-20) for tighter calls.

Decision scorecard

Local evidence first
SignalDeepSeek V4 ProGPT-4o (11-20)
Best forreasoning-heavy apps, tool-calling agents, and long-context analysismultimodal apps
Decision fitCoding, RAG, and AgentsCoding, Agents, and Long context
Context window1m128k
Cheapest output$0.87/1M tokens-
Provider routes5 tracked0 tracked
Shared benchmarks0 shared0 shared

Decision tradeoffs

Choose DeepSeek V4 Pro when...
  • 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, JSON / Tool use, and Structured outputs in local model data.
  • Local decision data tags DeepSeek V4 Pro for Coding, RAG, and Agents.
Choose GPT-4o (11-20) when...
  • GPT-4o (11-20) uniquely exposes Vision and Code execution in local model data.
  • Local decision data tags GPT-4o (11-20) for Coding, 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

GPT-4o (11-20)

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 -> GPT-4o (11-20)
  • No overlapping tracked provider route is sourced for DeepSeek V4 Pro and GPT-4o (11-20); plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Reasoning, JSON / Tool use, and Structured outputs before moving production traffic.
  • GPT-4o (11-20) adds Vision and Code execution in local capability data.
GPT-4o (11-20) -> DeepSeek V4 Pro
  • No overlapping tracked provider route is sourced for GPT-4o (11-20) and DeepSeek V4 Pro; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Vision and Code execution before moving production traffic.
  • DeepSeek V4 Pro adds Reasoning, JSON / Tool use, and Structured outputs in local capability data.

Specs

Specification
Released2026-04-242024-11-20
Context window1m128k
Parameters1.6T1.76T (8x222B MoE)*
ArchitectureMixture of ExpertsMixture of Experts
LicenseMITOSI-approvedProprietary
OpennessOpen sourceProprietary
WeightsAvailableNot released
CodeUnknownUnknown
Commercial useCommercial use: permittedCommercial use: conditional
Knowledge cutoff-2023-10

Pricing and availability

Pricing attributeDeepSeek V4 ProGPT-4o (11-20)
Input price$0.43/1M tokens-
Output price$0.87/1M tokens-
Providers-

Capabilities

CapabilityDeepSeek V4 ProGPT-4o (11-20)
VisionNoYes
MultimodalNoNo
ReasoningYesNo
JSON / Tool useYesNo
Structured outputsYesNo
Code executionNoYes
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark scores are currently available for this pair.

Continue comparing

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