LLM Reference

DeepSeek V3.2 vs GPT-4o-mini Search Preview

DeepSeek V3.2 (2025) and GPT-4o-mini Search Preview (2025) are compact production models from DeepSeek and OpenAI. DeepSeek V3.2 ships a 160k-token context window, while GPT-4o-mini Search Preview ships a 128k-token context window. On pricing, GPT-4o-mini Search Preview costs $0.15/1M input tokens versus $0.25/1M 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.

GPT-4o-mini Search Preview is ~68% cheaper at $0.15/1M; pay for DeepSeek V3.2 only for coding workflow support.

Decision scorecard

Local evidence first
SignalDeepSeek V3.2GPT-4o-mini Search Preview
Best forprovider-routed productionprovider-routed production
Decision fitCoding, RAG, and AgentsRAG, Long context, and Classification
Context window160k128k
Cheapest output$0.38/1M tokens$0.60/1M tokens
Provider routes7 tracked3 tracked
Shared benchmarks0 shared0 shared

Decision tradeoffs

Choose DeepSeek V3.2 when...
  • DeepSeek V3.2 has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • DeepSeek V3.2 has the lower cheapest tracked output price at $0.38/1M tokens.
  • DeepSeek V3.2 has broader tracked provider coverage for fallback and route flexibility.
  • DeepSeek V3.2 uniquely exposes Code execution in local model data.
  • Local decision data tags DeepSeek V3.2 for Coding, RAG, and Agents.
Choose GPT-4o-mini Search Preview when...
  • Local decision data tags GPT-4o-mini Search Preview for RAG, Long context, and Classification.

Monthly cost at traffic

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

Lower estimate GPT-4o-mini Search Preview

DeepSeek V3.2

$296

Cheapest tracked route/tier: OpenRouter

GPT-4o-mini Search Preview

$270

Cheapest tracked route/tier: OpenRouter

Estimated monthly gap: $26.10. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

DeepSeek V3.2 -> GPT-4o-mini Search Preview
  • Provider overlap exists on OpenRouter and Vercel AI Gateway; start route-level A/B tests there.
  • GPT-4o-mini Search Preview is $0.22/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
  • Check replacement coverage for Code execution before moving production traffic.
GPT-4o-mini Search Preview -> DeepSeek V3.2
  • Provider overlap exists on OpenRouter and Vercel AI Gateway; start route-level A/B tests there.
  • DeepSeek V3.2 is $0.22/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
  • DeepSeek V3.2 adds Code execution in local capability data.

Specs

Specification
Released2025-12-012025-02-26
Context window160k128k
Parameters671B—
ArchitectureDecoder OnlyDecoder Only
LicenseMITOSI-approvedProprietary
OpennessOpen sourceProprietary
WeightsUnknownNot released
CodeUnknownUnknown
Commercial useCommercial use: permittedCommercial use: conditional
Knowledge cutoff-2023-10

Pricing and availability

Pricing attributeDeepSeek V3.2GPT-4o-mini Search Preview
Input price$0.25/1M tokens$0.15/1M tokens
Output price$0.38/1M tokens$0.60/1M tokens
Providers
Fireworks AINVIDIA NIMAWS BedrockOpenRouterMicrosoft FoundryVercel AI Gateway
OpenRouterVercel AI GatewayOpenAI API

Capabilities

CapabilityDeepSeek V3.2GPT-4o-mini Search Preview
VisionNoNo
MultimodalNoNo
ReasoningNoNo
JSON / Tool useNoNo
Structured outputsYesYes
Code executionYesNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

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.