GPT-4o Search Preview vs MiMo-V2.5 (Comparative Analysis)
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Comparative Analysis: GPT-4o Search Preview vs. MiMo-V2.5
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Overview
GPT-4o Search Preview was released 1 year before MiMo-V2.5.
 GPT-4o Search Preview |  MiMo-V2.5 | |
|---|---|---|
Model Provider The organization behind this AI's development | OpenAI | Xiaomi |
Input Context Window Maximum input tokens this model can process at once | 128K tokens | 1M tokens |
Output Token Limit Maximum output tokens this model can generate at once | 16.4K tokens | 131.1K tokens |
Release Date When this model first became publicly available | March 12, 2025 1 year ago March 12th, 2025 | April 22, 2026 2 months ago April 22nd, 2026 |
Knowledge Cutoff Latest training-data date reported by the provider | October 31, 2023 | Not reported |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
GPT-4o Search Preview | MiMo-V2.5 | |
|---|---|---|
Input Types Supported input formats | 📝Text | 📝Text🎵Audio🖼️Image🎬Video |
Reasoning Controls Defaults and configurable reasoning effort | Not reported | Optional |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | GPT | Other |
Key Features Advanced capabilities | Function Calling✓Structured OutputReasoning Mode✓Content Moderation | ✓Function Calling✓Structured Output✓Reasoning ModeContent Moderation |
Open Source Model availability | Proprietary | Available on HuggingFace → |
Pricing
GPT-4o Search Preview is roughly 17.9x more expensive compared to MiMo-V2.5 for input tokens and roughly 35.7x more expensive for output tokens.
| GPT-4o Search Preview | MiMo-V2.5 | |
|---|---|---|
Input Token Cost Cost per million input tokens | $2.50 per million tokens | $0.14 per million tokens |
Output Token Cost Cost per million output tokens | $10.00 per million tokens | $0.28 per million tokens |
Web Search Cost Additional cost for each web search operation | $0.035 per search | Not specified |
Cache Read Cost Cost to reuse cached input tokens | Not specified | $0.0028 per million tokens |
Benchmarks
Compare relevant benchmarks between GPT-4o Search Preview and MiMo-V2.5.
| GPT-4o Search Preview | MiMo-V2.5 | |
|---|---|---|
Intelligence Index Overall model quality across independent evaluations | Benchmark not available. | 37.2 (Artificial Analysis index; higher is better) |
Coding Index Programming performance across independent evaluations | Benchmark not available. | 56.8 (Artificial Analysis index; higher is better) |
Agentic Index Ability to complete multi-step agentic tasks | Benchmark not available. | 23.7 (Artificial Analysis index; higher is better) |
Best Design Arena Score Highest human-preference Elo score across design arenas | Benchmark not available. | 1,299 Elo (#16 in UI Component (55.4% win rate)) |
At a Glance
Quick overview of what makes GPT-4o Search Preview and MiMo-V2.5 unique.
GPT-4o Search Preview by OpenAI generates structured data. It can handle standard conversations with its 128K token context window. Reasonably priced at $2.50/M input and $10.00/M output tokens. Includes built-in content moderation for safer outputs. Released March 12th, 2025.MiMo-V2.5 by Xiaomi understands both text and images, handles audio, analyzes video, can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 1M token context window. Very affordable at $0.14/M input and $0.28/M output tokens. Released April 22nd, 2026.Explore More Comparisons
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Best models for coding and development
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Models optimized for creative writing
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Content creation and marketing tasks
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Technical analysis and explanations
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