GPT-4o Mini vs Gemini 2.5 Flash Preview (09-2025)
Side-by-side comparison of pricing and capabilities
GPT-4o Mini
Gemini 2.5 Flash Preview (09-2025)
Input Price Comparison
| Attribute | GPT-4o Mini | Gemini 2.5 Flash Preview (09-2025) |
|---|---|---|
| Provider | OpenAI | |
| Input Price | $0.15 /1M tokens | $0.3 /1M tokens |
| Output Price | $0.6 /1M tokens | $2.5 /1M tokens |
| Cached Input | $0.075 /1M tokens | $0.030 /1M tokens |
| Context Window | 128K | 1.0M |
| Type | chat | chat |
| Status | current | preview |
Capability Comparison
| Capability | GPT-4o Mini | Gemini 2.5 Flash Preview (09-2025) |
|---|---|---|
| coding | ||
| vision | ||
| multilingual |
Which should you choose?
Budget-conscious: GPT-4o Mini is 50% cheaper on input tokens ($0.15 vs $0.3 per 1M tokens).
Context-heavy tasks: Gemini 2.5 Flash Preview (09-2025) offers a larger context window (1.0M vs 128K), making it better for long documents or conversations.
Capability fit: GPT-4o Mini supports 3 capabilities (coding, vision, multilingual), while Gemini 2.5 Flash Preview (09-2025) supports 3 (coding, vision, multilingual).
Frequently Asked Questions
Which is cheaper: GPT-4o Mini or Gemini 2.5 Flash Preview (09-2025)?
GPT-4o Mini costs $0.15/1M input vs Gemini 2.5 Flash Preview (09-2025) at $0.3/1M input. GPT-4o Mini is 50% cheaper on input tokens.
How do output prices compare between GPT-4o Mini and Gemini 2.5 Flash Preview (09-2025)?
GPT-4o Mini output: $0.6/1M, Gemini 2.5 Flash Preview (09-2025) output: $2.5/1M. GPT-4o Mini is more economical for generation-heavy workloads.
What is GPT-4o Mini best used for?
GPT-4o Mini is best for budget-conscious applications, high-volume chatbots, and tasks where cost efficiency is the primary concern.
What is Gemini 2.5 Flash Preview (09-2025) best used for?
Gemini 2.5 Flash Preview (09-2025) is suited for complex reasoning, analysis, and tasks that benefit from its coding and vision capabilities.