Gemini 3 Pro vs GPT-5.4-Cyber
Gemini 3 Pro (2025) and GPT-5.4-Cyber (2026) are frontier reasoning models from Google DeepMind and OpenAI. Gemini 3 Pro 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 3 Pro when coding workflow support matters.
Decision scorecard
Local evidence first| Signal | Gemini 3 Pro | GPT-5.4-Cyber |
|---|---|---|
| Best for | multimodal apps, tool-calling agents, and long-context analysis | reasoning-heavy apps and multimodal apps |
| Decision fit | Coding, RAG, and Agents | Vision |
| Context window | 1m | — |
| Cheapest output | $5/1M tokens | - |
| Provider routes | 2 tracked | 0 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- Gemini 3 Pro has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Gemini 3 Pro has broader tracked provider coverage for fallback and route flexibility.
- Gemini 3 Pro uniquely exposes JSON / Tool use and Code execution in local model data.
- Local decision data tags Gemini 3 Pro for Coding, RAG, and Agents.
- 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 3 Pro
$2,250
Cheapest tracked route/tier: GCP Vertex AI
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
- No overlapping tracked provider route is sourced for Gemini 3 Pro and GPT-5.4-Cyber; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for JSON / Tool use and Code execution before moving production traffic.
- GPT-5.4-Cyber adds Reasoning in local capability data.
- No overlapping tracked provider route is sourced for GPT-5.4-Cyber and Gemini 3 Pro; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Reasoning before moving production traffic.
- Gemini 3 Pro adds JSON / Tool use and Code execution in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2025-12-11 | 2026-04-14 |
| Context window | 1m | — |
| Parameters | — | — |
| Architecture | Decoder Only | Decoder Only |
| License | Proprietary | Proprietary |
| Openness | Proprietary | Proprietary |
| Weights | Not released | Not released |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: conditional | Commercial use: conditional |
| Knowledge cutoff | 2025-01 | 2025-08 |
Pricing and availability
| Pricing attribute | Gemini 3 Pro | GPT-5.4-Cyber |
|---|---|---|
| Input price | $1.25/1M tokens | - |
| Output price | $5/1M tokens | - |
| Providers | - |
Capabilities
| Capability | Gemini 3 Pro | GPT-5.4-Cyber |
|---|---|---|
| Vision | Yes | Yes |
| Multimodal | Yes | Yes |
| Reasoning | No | Yes |
| JSON / Tool use | Yes | No |
| Structured outputs | No | No |
| Code execution | Yes | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
No shared benchmark scores are currently available for this pair.
Continue comparing
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Last reviewed: 2026-09-21. Data sourced from public model cards and provider documentation.