GPT-5.4 Nano vs Qwen3.5 35B-A3B Base
GPT-5.4 Nano is cheaper on output tokens, while GPT-5.4 Nano offers a larger context window. Choose GPT-5.4 Nano or Qwen3.5 35B-A3B Base based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GPT-5.4 Nano | Qwen3.5 35B-A3B Base |
|---|---|---|
| Provider | OpenAI | Thinking Machines |
| Input / 1M tokens | $0.20 | $0.54 |
| Output / 1M tokens | $1.25 | $1.34 |
| Context window | 400K | 66K |
| Parameters | — | — |
| Open weights | No | Yes |
| Released | Mar 2026 | Feb 2026 |
| LiveBench score | 71.3 | — |
| LMArena (Chatbot Arena) Elo score | 1372 | — |
| LMArena Vision Elo score | 1196 | — |
| GPQA Diamond score | 78.5 | — |
| FrontierMath score | 25.9 | — |
| Epoch Capabilities Index score | 146 | — |
FAQ
Is GPT-5.4 Nano or Qwen3.5 35B-A3B Base cheaper?
GPT-5.4 Nano is cheaper on output tokens ($1.25 vs $1.34 per 1M).
Which has the larger context window, GPT-5.4 Nano or Qwen3.5 35B-A3B Base?
GPT-5.4 Nano has the larger context window (400K tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.