Gemini 3.5 Flash alternatives
4 models list the same capabilities as Gemini 3.5 Flash (tool calling, reasoning, structured outputs and image input), take at least as long a prompt, and cost less per token on OceanToken. The cheapest is GPT-6 Luna Pro, 94% below Gemini 3.5 Flash.
Up to 94% less than Gemini 3.5 Flash
$0.10 / $0.50 $1.35 / $8.10 per 1M input / output tokens
Cheaper models with the same capabilities 4
| Model | Context | Input / output per 1M | vs Gemini 3.5 Flash | Side by side |
|---|---|---|---|---|
| Gemini 3.5 Flash itselfgoogle/gemini-3.5-flash | 1.05M | $1.35 / $8.10 | – | – |
| GPT-6 Luna Proopenai/gpt-6-luna-pro | 1.05M | $0.10 / $0.50 | 94% less | Compare |
| GLM 5.3 Flashz-ai/glm-5.3-flash | 1.05M | $0.15 / $0.50 | 93% less | Compare |
| DeepSeek V4.1 Flash (1017)deepseek/deepseek-v4.1-flash-1017 | 1.05M | $0.21 / $0.84 | 89% less | Compare |
| GPT-6.1 Terraopenai/gpt-6.1-terra | 1.05M | $0.90 / $4.50 | 43% less | Compare |
About these prices
Frequently asked questions
What is the cheapest alternative to Gemini 3.5 Flash?
GPT-6 Luna Pro: $0.10 / $0.50 per 1M input and output tokens, against $1.35 / $8.10 for Gemini 3.5 Flash, 94% less per token on OceanToken. It lists tool calling, reasoning, structured outputs and image input, as Gemini 3.5 Flash does.
How do I switch from Gemini 3.5 Flash to another model?
Every model is on the same API: keep the base URL https://api.oceantoken.ai/v1 and your key, and change the model id from google/gemini-3.5-flash to, for example, openai/gpt-6-luna-pro.
Is a cheaper model as good as Gemini 3.5 Flash?
The price and the listed capabilities are facts this page can show; how well a model does your task is not. Run the same prompts on two models: with one key, switching is a one-line change.
Get API Key Gemini 3.5 Flash Gemini API
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