LLM Reference

Gemini 2.5 Pro Preview 05-06 vs Phi-3 Mini 4k

Gemini 2.5 Pro Preview 05-06 (2025) and Phi-3 Mini 4k (2024) are compact production models from Google DeepMind and Microsoft Research. Gemini 2.5 Pro Preview 05-06 ships a 1m-token context window, while Phi-3 Mini 4k ships a 4k-token context window. On pricing, Phi-3 Mini 4k costs $0.05/1M input tokens versus $1.25/1M 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.

Phi-3 Mini 4k is ~2400% cheaper at $0.05/1M; pay for Gemini 2.5 Pro Preview 05-06 only for long-context analysis.

Decision scorecard

Local evidence first
SignalGemini 2.5 Pro Preview 05-06Phi-3 Mini 4k
Best formultimodal apps and long-context analysisprovider-routed production
Decision fitRAG, Long context, and VisionCoding and Classification
Context window1m4k
Cheapest output$10/1M tokens$0.25/1M tokens
Provider routes1 tracked4 tracked
Shared benchmarks0 shared0 shared

Decision tradeoffs

Choose Gemini 2.5 Pro Preview 05-06 when...
  • Gemini 2.5 Pro Preview 05-06 has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Gemini 2.5 Pro Preview 05-06 uniquely exposes Vision, Multimodal, and Structured outputs in local model data.
  • Local decision data tags Gemini 2.5 Pro Preview 05-06 for RAG, Long context, and Vision.
Choose Phi-3 Mini 4k when...
  • Phi-3 Mini 4k has the lower cheapest tracked output price at $0.25/1M tokens.
  • Phi-3 Mini 4k has broader tracked provider coverage for fallback and route flexibility.
  • Local decision data tags Phi-3 Mini 4k for Coding and Classification.

Monthly cost at traffic

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

Lower estimate Phi-3 Mini 4k

Gemini 2.5 Pro Preview 05-06

$3,500

Cheapest tracked route/tier: OpenRouter

Phi-3 Mini 4k

$103

Cheapest tracked route/tier: Replicate API

Estimated monthly gap: $3,398. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

Gemini 2.5 Pro Preview 05-06 -> Phi-3 Mini 4k
  • No overlapping tracked provider route is sourced for Gemini 2.5 Pro Preview 05-06 and Phi-3 Mini 4k; plan for SDK, billing, or endpoint changes.
  • Phi-3 Mini 4k is $9.75/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
  • Check replacement coverage for Vision, Multimodal, and Structured outputs before moving production traffic.
Phi-3 Mini 4k -> Gemini 2.5 Pro Preview 05-06
  • No overlapping tracked provider route is sourced for Phi-3 Mini 4k and Gemini 2.5 Pro Preview 05-06; plan for SDK, billing, or endpoint changes.
  • Gemini 2.5 Pro Preview 05-06 is $9.75/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
  • Gemini 2.5 Pro Preview 05-06 adds Vision, Multimodal, and Structured outputs in local capability data.

Specs

Specification
Released2025-05-062024-04-23
Context window1m4k
Parameters3.8B
ArchitectureDecoder OnlyDecoder Only
LicenseProprietaryMITOSI-approved
OpennessProprietaryOpen source
WeightsNot releasedUnknown
CodeUnknownUnknown
Commercial useCommercial use: conditionalCommercial use: permitted
Knowledge cutoff2025-012023-10

Pricing and availability

Pricing attributeGemini 2.5 Pro Preview 05-06Phi-3 Mini 4k
Input price$1.25/1M tokens$0.05/1M tokens
Output price$10/1M tokens$0.25/1M tokens
Providers

Capabilities

CapabilityGemini 2.5 Pro Preview 05-06Phi-3 Mini 4k
VisionYesNo
MultimodalYesNo
ReasoningNoNo
JSON / Tool useNoNo
Structured outputsYesNo
Code executionNoNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark scores are currently available for this pair.

Continue comparing

Last reviewed: 2026-06-15. Data sourced from public model cards and provider documentation.