Side by side pricing and context for GPT-5 Nano and Gemini 2.0 Flash-Lite. Rates are curated catalog values with last verified dates on each model page.
GPT-5 Nano
Cheapest GPT-5 family tier for classification, routing, and ultra-high QPS text jobs. Use when Mini is still too expensive and Exact OpenAI counts matter for budgeting.
Input $0.050 / Output $0.400 per 1M
Context 128K · Exact (o200k_base)
Gemini 2.0 Flash-Lite
Older Flash-Lite tier for the absolute cheapest Gemini-shaped traffic. Good baseline when testing whether Lite quality is enough before upgrading.
Input $0.075 / Output $0.300 per 1M
Context 1M · Approx (Gemini family)
Quick take
- GPT-5 Nano is cheaper on input in this catalog snapshot.
- Gemini 2.0 Flash-Lite is cheaper on output in this catalog snapshot.
- Both last verified on their model pages (2026-08-02 / 2026-08-02).
Rate table
| Metric | GPT-5 Nano | Gemini 2.0 Flash-Lite |
|---|---|---|
| Input / 1M | $0.050 | $0.075 |
| Output / 1M | $0.400 | $0.300 |
| Cached input / 1M | $0.0050 | n/a |
| Context | 128K | 1M |
| Tokenizer | Exact (o200k_base) | Approx (Gemini family) |