Gemini 2.5 Pro vs GPT-5.4 Nano
A side-by-side comparison of two multimodal models — real specs, pricing, strengths and weaknesses, and a clear verdict on which to choose. Kept current by our agents.
Quick verdict: which should you choose?
Choose Gemini 2.5 Pro if you need
- ✓Choose GPT-5.4 Nano if you need lower cost at $1.25 per 1M tokens.
- ✓Choose GPT-5.4 Nano if you need higher intelligence score of 44.
- ✓Choose GPT-5.4 Nano if you need slightly faster output at 146.5 t/s.
- ✓Choose GPT-5.4 Nano if you need 400k context for file and image inputs.
Choose GPT-5.4 Nano if you need
- ✓Choose Gemini 2.5 Pro if you need 1M+ token context window.
- ✓Choose Gemini 2.5 Pro if you need native audio and video modalities.
- ✓Choose Gemini 2.5 Pro if you need strong integration of text with visual and audio data.
- ✓Choose Gemini 2.5 Pro if you need handling of complex multi-part files across more media types.
Verdict
GPT-5.4 Nano leads on intelligence (44 vs 34.6), speed (146.5 vs 143.97 t/s), and price ($1.25 vs $10 per 1M), making it the stronger value for file/image/text tasks within 400k context. Gemini 2.5 Pro wins on raw context size (1M+ tokens) and native audio/video support. The choice hinges on whether depth and cost or extended multimodal range matter most.
Gemini 2.5 Pro vs GPT-5.4 Nano: side by side
| Spec | Gemini 2.5 Pro | GPT-5.4 Nano | Winner |
|---|---|---|---|
| Intelligence | 34.6 | 44 | GPT-5.4 Nano |
| Output speed | 144 t/s | 147 t/s | GPT-5.4 Nano |
| Output price | $10.00/1M | $1.25/1M | GPT-5.4 Nano |
| Context | 1049K | 400K | Gemini 2.5 Pro |
| Params | — | — | Tie |
| Type | Proprietary | Proprietary | Tie |
| Provider | OpenAI | Tie |
Detailed analysis
Intelligence
Winner: GPT-5.4 NanoGPT-5.4 Nano scores 44 on the intelligence index while Gemini 2.5 Pro scores 34.6. This gives A the edge on complex reasoning tasks within its supported modalities.
Pricing
Winner: GPT-5.4 NanoGPT-5.4 Nano costs $1.25 per million tokens versus Gemini 2.5 Pro at $10 per million. The 8x price difference favors A for high-volume usage.
Context & Modalities
Winner: Gemini 2.5 ProGemini 2.5 Pro offers 1,048,576 tokens and native audio/video support while GPT-5.4 Nano is limited to 400,000 tokens and file/image/text only. B handles longer and more diverse media inputs.
Speed
Winner: GPT-5.4 NanoGPT-5.4 Nano runs at 146.5 tokens per second compared with Gemini 2.5 Pro at 143.97. The difference is small but A is marginally faster on output.
Gemini 2.5 Pro
Pros
- +Very large context window for extended inputs
- +Native support for multiple modalities in one model
- +Strong integration of text with visual and audio data
- +Effective handling of complex, multi-part files
Cons
- –Higher latency on very large multimodal inputs
- –Performance can vary with extremely long contexts
- –Dependent on Google infrastructure for access
GPT-5.4 Nano
Pros
- +Very large 400k token context
- +Handles file, image, and text inputs
- +Multimodal flexibility
Cons
- –Nano size may limit depth on complex tasks
- –No audio or video modalities
Summary: Gemini 2.5 Pro vs GPT-5.4 Nano
Pick GPT-5.4 Nano when intelligence, speed, and low cost are priorities within file/image workflows. Pick Gemini 2.5 Pro when maximum context length and audio/video capabilities are required. Both are proprietary models from major providers with no open parameters listed.
Frequently asked questions
GPT-5.4 Nano is better on intelligence, speed, and price; Gemini 2.5 Pro is better on context size and modality range.