Gemini 2.5 Flash-Lite Preview (09-2025) API Pricing
Gemini 2.5 Flash-Lite Preview (09-2025) was retired by Google on March 31, 2026 - the gemini-2.5-flash-lite-preview-09-2025 model id no longer answers. Google names Gemini 3.1 Flash-Lite as the replacement. Its last listed rates were $0.10/M input and $0.40/M output, with cache hits at $0.01/M, kept here for invoice checks and migration math. Checked against Google's Gemini deprecations table.
Gemini 2.5 Flash-Lite Preview (09-2025) API cost calculator.
Calculator pre-loaded with Gemini 2.5 Flash-Lite Preview (09-2025) rates. Tweak spend, output mix, or cache hit rate to compare this model with current alternatives.
Gemini 2.5 Flash-Lite Preview (09-2025) cost on real workloads.
Repo-wide bug fix
Reading 100-page contracts
Support agent ticket triage
Research planning turn
This is a chars-per-token approximation, not a real tokenizer. Actual tokens vary by language, code density, and tool-call overhead — counts are typically ±10–20% off for English prose, more for code or non-Latin scripts. For exact billing, use the vendor's official tokenizer.
| Model | Input /M | Output /M | Effective blended | Context | Best for |
|---|---|---|---|---|---|
| Gemini 2.5 Flash-Lite Preview (09-2025) Current | $0.10 cache $0.01 | $0.40 | $0.0561 agentic 92/8 | 1M | Gemini multimodal workloads |
| Gemini 3.8 Flash | $0.75 cache $0.075 | $3.75 | $0.481 +8.6× · promo | 1M | Gemini multimodal workloads |
| Gemini 3.5 Flash-Lite | $0.30 cache $0.03 | $2.50 | $0.272 +4.9× | 1M | Gemini multimodal workloads |
| GPT-6.1 Sol | $2.00 cache $0.10 | $10.00 | $1.29 +23× | 1.05M | OpenAI's balanced model for coding and agents |
| Claude Sonnet 5.5 | $2.00 cache $0.10 | $10.00 | $1.29 +23× | 1M | Anthropic's current Sonnet |
| DeepSeek V4 Pro | $1.32 cache $0.044 | $3.96 | $0.569 +10× | 1M | Low-cost reasoning and coding |
Gemini 2.5 Flash-Lite Preview (09-2025) API pricing FAQ.
Short answers for teams checking Gemini 2.5 Flash-Lite Preview (09-2025) pricing, status, and migration choices.
Q · 01 Can I still call Gemini 2.5 Flash-Lite Preview (09-2025)? +
gemini-2.5-flash-lite-preview-09-2025 on March 31, 2026, and requests to it now fail. Google names Gemini 3.1 Flash-Lite as the replacement. The rates on this page are the last ones Google listed, kept for reading old invoices and for estimating a migration.Q · 02 How much does Gemini 2.5 Flash-Lite Preview (09-2025) cost? +
Q · 03 Is cached-input pricing included? +
Q · 04 What should teams compare it against? +
current same-provider models.