对比 · 2026-06-29
GPT-5 Mini vs Gemini 2.5 Flash
并排对比 GPT-5 Mini（OpenAI）与 Gemini 2.5 Flash（Google）的定价、上下文窗口与能力。 侧重：cheap vs premium。
| GPT-5 Mini | Gemini 2.5 Flash | |
|---|---|---|
| 厂商 | OpenAI | |
| 输入价格 / 1M token | $0.250 | $0.300 |
| 输出价格 / 1M token | $2.00 | $2.50 |
| 1M token 合计（输入 + 输出） | $2.25 | $2.80 |
| 上下文长度 | 400K | 1.05M |
| 最大输出 token | 128K | 66K |
| 工具调用 | ✓ 是 | ✓ 是 |
| 结构化输出 | ✓ 是 | ✓ 是 |
| 推理 | ✓ 是 | ✓ 是 |
| 图像输入 | ✓ 是 | ✓ 是 |
| 开放权重 | ✗ 否 | ✗ 否 |
| 渠道可用性 | 27 家渠道 | 27 家渠道 |
| 发布日期 | 2025-08-07 | 2025-06-17 |
| 知识截止 | 2024-05-30 | 2025-01 |
一句话结论
- GPT-5 Mini 在每百万 token（输入 + 输出合计）成本上便宜约 1.2 倍。
- Gemini 2.5 Flash 的上下文窗口更长（1.05M，对比 400K）。
How to read this comparison
This page compares GPT-5 Mini and Gemini 2.5 Flash on the dimensions that matter most for production LLM selection: per-token cost, context window, declared capabilities (tool calling, structured output, reasoning, vision), and provider availability.
Green highlights in the table indicate which model leads on a given row. "Leads" means lower price or higher context/capability — not necessarily "better for your use case". A model that costs 3× more may still be the right choice if it unlocks a capability you need.
What this comparison does NOT tell you
- Quality / accuracy — we have no benchmark data. Declared capabilities ≠ measured performance.
- Latency — time-to-first-token varies by provider, region and load. Test with your actual traffic.
- Prompt caching savings — if you reuse system prompts, the cheaper model on headline rate may not be cheapest in practice.
- Fine-tuning availability — not all models can be fine-tuned, even if they are open-weight.
Data is refreshed daily. If a model's capabilities or pricing change, this page updates automatically on the next build cycle.
Frequently asked questions
GPT-5 Mini 是否比 Gemini 2.5 Flash 便宜？
GPT-5 Mini 的输入价为 $0.250/百万 token + 输出价为 $2.00/百万 token；Gemini 2.5 Flash 为 $0.300/百万 token（输入）+ $2.50/百万 token（输出）。综合每百万 token 成本更低的是 GPT-5 Mini。
GPT-5 Mini 与 Gemini 2.5 Flash 谁的上下文更长？
Gemini 2.5 Flash 的上下文窗口更长——约 1,048,576 token vs 400,000 token。
在哪里可以运行 GPT-5 Mini 和 Gemini 2.5 Flash？
GPT-5 Mini 在 27 家提供商可用；Gemini 2.5 Flash 在 27 家提供商可用。完整列表请参见各模型详情页。
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最近更新：
Prices in USD per 1M tokens. Unknown means the provider does not publish per-token pricing.
Pricing and capabilities are refreshed daily and reconciled against each provider's official documentation. Always verify critical production decisions with the provider directly.