LLM Reference

Gemini 2.5 Pro Preview 05-06 vs GPT-5.4-Cyber

Gemini 2.5 Pro Preview 05-06 (2025) and GPT-5.4-Cyber (2026) are frontier reasoning models from Google DeepMind and OpenAI. Gemini 2.5 Pro Preview 05-06 ships a 1m-token context window, while GPT-5.4-Cyber ships a not-yet-sourced 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.

GPT-5.4-Cyber is safer overall; choose Gemini 2.5 Pro Preview 05-06 when vision-heavy evaluation matters.

Decision scorecard

Local evidence first
SignalGemini 2.5 Pro Preview 05-06GPT-5.4-Cyber
Best formultimodal apps and long-context analysisreasoning-heavy apps and multimodal apps
Decision fitRAG, Long context, and VisionVision
Context window1m
Cheapest output$10/1M tokens-
Provider routes1 tracked0 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 has broader tracked provider coverage for fallback and route flexibility.
  • Gemini 2.5 Pro Preview 05-06 uniquely exposes Structured outputs in local model data.
  • Local decision data tags Gemini 2.5 Pro Preview 05-06 for RAG, Long context, and Vision.
Choose GPT-5.4-Cyber when...
  • GPT-5.4-Cyber uniquely exposes Reasoning in local model data.
  • Local decision data tags GPT-5.4-Cyber for Vision.

Monthly cost at traffic

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

Gemini 2.5 Pro Preview 05-06

$3,500

Cheapest tracked route/tier: OpenRouter

GPT-5.4-Cyber

Unavailable

No complete token price in local provider data

Cost delta unavailable until both models have sourced input and output token prices.

Switch friction

Gemini 2.5 Pro Preview 05-06 -> GPT-5.4-Cyber
  • No overlapping tracked provider route is sourced for Gemini 2.5 Pro Preview 05-06 and GPT-5.4-Cyber; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Structured outputs before moving production traffic.
  • GPT-5.4-Cyber adds Reasoning in local capability data.
GPT-5.4-Cyber -> Gemini 2.5 Pro Preview 05-06
  • No overlapping tracked provider route is sourced for GPT-5.4-Cyber and Gemini 2.5 Pro Preview 05-06; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Reasoning before moving production traffic.
  • Gemini 2.5 Pro Preview 05-06 adds Structured outputs in local capability data.

Specs

Specification
Released2025-05-062026-04-14
Context window1m
Parameters
ArchitectureDecoder OnlyDecoder Only
LicenseProprietaryProprietary
OpennessProprietaryProprietary
WeightsNot releasedNot released
CodeUnknownUnknown
Commercial useCommercial use: conditionalCommercial use: conditional
Knowledge cutoff2025-012025-08

Pricing and availability

Pricing attributeGemini 2.5 Pro Preview 05-06GPT-5.4-Cyber
Input price$1.25/1M tokens-
Output price$10/1M tokens-
Providers-

Capabilities

CapabilityGemini 2.5 Pro Preview 05-06GPT-5.4-Cyber
VisionYesYes
MultimodalYesYes
ReasoningNoYes
JSON / Tool useNoNo
Structured outputsYesNo
Code executionNoNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark scores are currently available for this pair.

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