Gemini 3.1 Pro Preview alternatives
6 models list the same capabilities as Gemini 3.1 Pro Preview (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, 95% below Gemini 3.1 Pro Preview.
Up to 95% less than Gemini 3.1 Pro Preview
$0.10 / $0.50 $1.80 / $10.80 per 1M input / output tokens
Cheaper models with the same capabilities 6
| Model | Context | Input / output per 1M | vs Gemini 3.1 Pro Preview | Side by side |
|---|---|---|---|---|
| Gemini 3.1 Pro Preview itselfgoogle/gemini-3.1-pro-preview | 1.05M | $1.80 / $10.80 | – | – |
| GPT-6 Luna Proopenai/gpt-6-luna-pro | 1.05M | $0.10 / $0.50 | 95% less | – |
| GLM 5.3 Flashz-ai/glm-5.3-flash | 1.05M | $0.15 / $0.50 | 95% less | Compare |
| DeepSeek V4.1 Flash (1017)deepseek/deepseek-v4.1-flash-1017 | 1.05M | $0.21 / $0.84 | 92% less | – |
| GPT-6.1 Terraopenai/gpt-6.1-terra | 1.05M | $0.90 / $4.50 | 57% less | Compare |
| GPT-6 Solopenai/gpt-6-sol | 1.05M | $1.80 / $9.00 | 14% less | Compare |
| GPT-6.1 Solopenai/gpt-6.1-sol | 1.05M | $1.80 / $9.00 | 14% less | Compare |
About these prices
Frequently asked questions
What is the cheapest alternative to Gemini 3.1 Pro Preview?
GPT-6 Luna Pro: $0.10 / $0.50 per 1M input and output tokens, against $1.80 / $10.80 for Gemini 3.1 Pro Preview, 95% less per token on OceanToken. It lists tool calling, reasoning, structured outputs and image input, as Gemini 3.1 Pro Preview does.
How do I switch from Gemini 3.1 Pro Preview 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-3.1-pro-preview to, for example, openai/gpt-6-luna-pro.
Is a cheaper model as good as Gemini 3.1 Pro Preview?
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 3.1 Pro Preview Gemini API
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