LLM Reference

DeepSeek R1 vs GPT-4o-mini Search Preview

DeepSeek R1 (2025) and GPT-4o-mini Search Preview (2025) are frontier reasoning models from DeepSeek and OpenAI. DeepSeek R1 ships a 128k-token context window, while GPT-4o-mini Search Preview ships a 128k-token context window. On pricing, DeepSeek R1 costs $0.10/1M input tokens versus $0.15/1M 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.

DeepSeek R1 is ~50% cheaper at $0.10/1M; pay for GPT-4o-mini Search Preview only for provider fit.

Decision scorecard

Local evidence first
SignalDeepSeek R1GPT-4o-mini Search Preview
Best forreasoning-heavy apps and provider-routed productionprovider-routed production
Decision fitCoding, RAG, and AgentsRAG, Long context, and Classification
Context window128k128k
Cheapest output$0.30/1M tokens$0.60/1M tokens
Provider routes14 tracked2 tracked
Shared benchmarks0 shared0 shared

Decision tradeoffs

Choose DeepSeek R1 when...
  • DeepSeek R1 has the lower cheapest tracked output price at $0.30/1M tokens.
  • DeepSeek R1 has broader tracked provider coverage for fallback and route flexibility.
  • DeepSeek R1 uniquely exposes Reasoning and Code execution in local model data.
  • Local decision data tags DeepSeek R1 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 DeepSeek R1

DeepSeek R1

$155

Cheapest tracked route/tier: Bitdeer AI

GPT-4o-mini Search Preview

$270

Cheapest tracked route/tier: OpenRouter

Estimated monthly gap: $115. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

DeepSeek R1 -> 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 $0.30/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
  • Check replacement coverage for Reasoning and Code execution before moving production traffic.
GPT-4o-mini Search Preview -> DeepSeek R1
  • Provider overlap exists on OpenRouter and Vercel AI Gateway; start route-level A/B tests there.
  • DeepSeek R1 is $0.30/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
  • DeepSeek R1 adds Reasoning and Code execution in local capability data.

Specs

Specification
Released2025-01-202025-02-26
Context window128k128k
Parameters671B, 37B Active
ArchitectureDecoder OnlyDecoder Only
LicenseMITOSI-approvedProprietary
OpennessOpen sourceProprietary
WeightsAvailableNot released
CodeUnknownUnknown
Commercial useCommercial use: permittedCommercial use: conditional
Knowledge cutoff2023-122023-10

Pricing and availability

Pricing attributeDeepSeek R1GPT-4o-mini Search Preview
Input price$0.10/1M tokens$0.15/1M tokens
Output price$0.30/1M tokens$0.60/1M tokens
Providers

Capabilities

CapabilityDeepSeek R1GPT-4o-mini Search Preview
VisionNoNo
MultimodalNoNo
ReasoningYesNo
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.