GPT-5.4 Nano vs GPT Chat Latest
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 GPT-5.4 Nano if you need
- ✓Seamless multi-turn dialogue with creative or analytical depth on extended documents
- ✓Maximum flexibility across text, image, and file inputs without Nano-size constraints
- ✓Scenarios where output quality and natural conversation matter more than per-token cost
Choose GPT Chat Latest if you need
- ✓High-volume workloads needing 150.72 t/s output speed at minimal cost
- ✓400k context file and image tasks where the $1.25/M price is critical
- ✓Applications tolerant of reduced depth on complex reasoning due to Nano size
Verdict
GPT Chat Latest leads on task flexibility and multi-turn dialogue quality while GPT-5.4 Nano dominates on speed and cost. Both share identical 400k context and multimodal text/image/file support, yet the 24x price gap and Nano's documented lower intelligence_index favor the compact model for high-volume workloads. GPT Chat Latest suits complex analytical needs where depth outweighs latency.
GPT-5.4 Nano vs GPT Chat Latest: side by side
| Spec | GPT-5.4 Nano | GPT Chat Latest | Winner |
|---|---|---|---|
| Intelligence | 38.2 | — | Tie |
| Output speed | 151 t/s | — | Tie |
| Output price | $1.25/1M | $30.00/1M | GPT-5.4 Nano |
| Context | 400K | 400K | Tie |
| Params | — | — | Tie |
| Provider | OpenAI | OpenAI | Tie |
Detailed analysis
Pricing
Winner: GPT-5.4 NanoGPT-5.4 Nano costs $1.25 per million tokens versus $30 for GPT Chat Latest. This 24-fold difference makes Nano the clear choice for cost-sensitive or high-volume usage while both models share the same 400k context window.
Speed
Winner: GPT-5.4 NanoGPT-5.4 Nano provides a measured 150.72 tokens per second. GPT Chat Latest speed is unspecified, leaving Nano as the only model with proven high throughput for latency-sensitive tasks.
Capability & Flexibility
Winner: GPT Chat LatestGPT Chat Latest lists stronger strengths in natural multi-turn dialogue, creative/analytical flexibility, and extended-document performance. GPT-5.4 Nano notes possible depth limits from its Nano size despite matching multimodal inputs.
Context & Modalities
Winner: TieBoth models offer identical 400k token context and handle text, image, and file inputs. Neither supports audio or video, and both remain proprietary OpenAI offerings.
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
GPT Chat Latest
Pros
- +Seamless handling of text, image, and file inputs
- +Strong performance on extended documents
- +Flexible across creative and analytical tasks
Cons
- –Can still hallucinate facts or details
- –Large context increases cost and latency
- –No native real-time external tool access
Summary: GPT-5.4 Nano vs GPT Chat Latest
Choose GPT Chat Latest when dialogue quality and analytical flexibility justify the higher price. Select GPT-5.4 Nano for fast, economical processing of large multimodal files where its lower intelligence_index is acceptable. The models serve complementary segments of the same 400k-context multimodal niche.
Frequently asked questions
GPT Chat Latest for depth and flexibility; GPT-5.4 Nano for speed and cost. No single winner exists across all dimensions given the provided data.