Xiaomi MiMo API Open Platform: Major Pricing Cuts and Enhanced Capabilities

The Xiaomi MiMo API Open Platform has made waves in the developer community with its latest announcement of substantial pricing reductions and enhanced capabilities. The platform, which provides AI model access through APIs, has reduced costs by up to 99% for its MiMo-V2.5 models while simultaneously improving performance and adding new features. This move comes as part of Xiaomi's ongoing optimization efforts in inference performance, with the company passing these cost savings directly to developers.

The pricing changes, effective May 27, 2026, represent a significant shift in the AI API market. The MiMo-V2.5 pay-as-you-go pricing has been substantially reduced, while the Token Plan now offers 5-8× more Credits at no additional cost. Additionally, all used Credits within the validity period will be fully reset, providing developers with greater flexibility and potentially reducing long-term costs for sustained projects.

"By optimizing our inference performance, we can now offer developers unprecedented access to advanced AI capabilities at a fraction of previous costs," stated the Xiaomi MiMo team in their announcement. "These savings allow developers to experiment more freely and scale their applications without the same financial constraints they've faced in other AI API markets."

The platform has also launched several new model versions:

• MiMo-V2.5-Pro: Featuring enhanced long-range reasoning capabilities, higher Agent efficiency, and an improved overall experience
• MiMo-V2.5: Offering native multimodal support, a new 1M context window, and further improvements in Agentic and Coding abilities
• MiMo-V2.5-TTS: Providing voice cloning with fine-grained command control, alongside comprehensive upgrades in voice tone and quality

These enhancements position Xiaomi MiMo more competitively against established players in the AI API space, particularly in multimodal applications and complex reasoning tasks. The expanded multimodal capabilities are particularly noteworthy, as they allow developers to build more sophisticated AI applications that can process and generate different types of content seamlessly.

The Token Plan has been expanded with three new models, introducing night discount rates, continuous subscription discounts, and Credits reset benefits. This tiered approach allows developers to choose pricing models that best match their usage patterns and budget constraints. For developers interested in subscribing, the Token Plan offers flexible options that can adapt to various project requirements.

For developers building Agent-based applications, Xiaomi MiMo has clarified requirements for multi-turn conversations. When the MiMo thinking mode is enabled during multi-round conversations and the conversation history contains tool call records, the reasoning_content field must be completely returned in every subsequent user interaction round where the assistant's response includes tool call content. Failure to comply will result in a 400 error response, indicating the platform's emphasis on transparency in AI reasoning processes. This requirement is documented in detail in the API Reference.

The timing of these announcements coincides with increasing competition in the AI API market, where providers are constantly balancing between performance optimization and cost reduction. Xiaomi's approach of passing optimization savings directly to developers could disrupt established pricing models in the industry.

However, some industry observers note that while the price reductions are significant, developers should consider the total cost of integration, including potential changes in API behavior or response formats that might require additional development work. The requirement for complete reasoning_content in multi-turn conversations, for example, might impose additional implementation considerations for some applications.

"The dramatic price cuts are certainly attractive, but developers should evaluate how these changes fit into their specific use cases," noted one AI integration consultant who requested anonymity. "The value proposition extends beyond just per-token costs to include factors like reliability, consistency in responses, and the ease of implementation."

Xiaomi MiMo has made its API documentation, quick start guides, and reference materials available through their platform, aiming to lower the barrier to entry for new developers. The platform's focus on multimodal capabilities and agentic functions suggests a strategic emphasis on more complex AI applications beyond simple text generation.

As the AI API market continues to evolve, Xiaomi's aggressive pricing and feature expansion could position them as a significant player, particularly for developers and companies seeking advanced AI capabilities without the premium costs associated with some established providers. The platform's global availability and limited-time offer suggest Xiaomi is making a concerted effort to capture market share in the competitive AI services landscape.

Developers interested in exploring the Xiaomi MiMo API can apply for an API key through their platform, with the new pricing and features set to take effect on May 27, 2026. The combination of substantial cost reductions and enhanced capabilities makes this an opportune moment for developers to evaluate whether Xiaomi MiMo meets their application needs. Those with questions can consult the FAQ page for additional information.