GPT-5 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 Nano if you need
- ✓Seamless handling of text, image, and file inputs together with natural multi-turn dialogue
- ✓Flexible performance across creative and analytical tasks on extended documents
- ✓Scenarios where higher output quality outweighs the $30 per million token cost
Choose GPT Chat Latest if you need
- ✓Very large contexts handled efficiently at the lowest cost of $0.4 per million tokens
- ✓Lightweight design delivering 170.06 t/s output speed for faster responses
- ✓Practical extended-document tasks where lower capability depth is acceptable
Verdict
GPT-5 Nano leads on price and measured speed at $0.4 per million tokens and 170.06 t/s while sharing the same 400k context as GPT Chat Latest. GPT Chat Latest shows broader strengths in flexible creative-analytical work and natural multi-turn dialogue. GPT-5 Nano trades depth for efficiency and lower cost.
GPT-5 Nano vs GPT Chat Latest: side by side
| Spec | GPT-5 Nano | GPT Chat Latest | Winner |
|---|---|---|---|
| Intelligence | 26.8 | — | Tie |
| Output speed | 170 t/s | — | Tie |
| Output price | $0.40/1M | $30.00/1M | GPT-5 Nano |
| Context | 400K | 400K | Tie |
| Params | — | — | Tie |
| Type | Proprietary | Proprietary | Tie |
| Provider | OpenAI | OpenAI | Tie |
Detailed analysis
Pricing
Winner: GPT-5 NanoGPT-5 Nano costs $0.4 per million tokens. GPT Chat Latest costs $30 per million tokens. The 75-fold price difference favors GPT-5 Nano for high-volume use.
Speed
Winner: GPT-5 NanoGPT-5 Nano lists 170.06 t/s output speed and emphasizes faster responses via its lightweight design. GPT Chat Latest provides no speed figure. GPT-5 Nano therefore shows the only concrete speed advantage.
Capability & Flexibility
Winner: GPT Chat LatestGPT Chat Latest lists strengths in flexible creative-analytical tasks and natural multi-turn dialogue. GPT-5 Nano notes lower capability depth and possible struggles with complex reasoning. GPT Chat Latest therefore leads where advanced task performance matters.
Context Handling
Winner: TieBoth models list identical 400000-token context windows. GPT-5 Nano adds emphasis on efficient large-context handling while GPT Chat Latest notes that large context raises cost and latency.
GPT-5 Nano
Pros
- +Handles very large contexts efficiently
- +Supports text, image, and file inputs
- +Lightweight design for faster responses
- +Practical for extended document tasks
Cons
- –Lower capability depth than full-scale models
- –May struggle with highly complex reasoning
- –Trade-off in advanced task performance
GPT Chat Latest
Pros
- +Seamless handling of text, image, and file inputs
- +Strong performance on extended documents
- +Flexible across creative and analytical tasks
- +Natural multi-turn dialogue
Cons
- –Can still hallucinate facts or details
- –Large context increases cost and latency
- –No native real-time external tool access
Summary: GPT-5 Nano vs GPT Chat Latest
Select GPT-5 Nano when cost and speed are primary and tasks fit its lightweight profile. Choose GPT Chat Latest when seamless multimodal flexibility and dialogue quality justify the higher price. Both remain proprietary OpenAI models with the same context size.
Frequently asked questions
GPT-5 Nano at $0.4 per million tokens versus GPT Chat Latest at $30 per million tokens.