Head-to-head comparison
Gemma 4 26B A4B (Google) and MiMo-V2.5 (Xiaomi) compared on the ModelCap Index, API price, context window, provider availability, weight access and every public benchmark board they share. Figures are the same ones shown on the live rankings; nothing here is a hidden score.
Snapshot as of 22 September 2026
As of 22 September 2026, Gemma 4 26B A4B holds the stronger ModelCap Index position (#38 vs #43); MiMo-V2.5 is cheaper per output token ($0.28/1M vs $0.30/1M); and MiMo-V2.5 offers the longer context window (1M vs 262K tokens).
Evidence: 2 public benchmark observations across 2 boards · 2 public benchmark observations across 2 boards. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.
Scores are the sources' own published figures for each model's best evaluated configuration; ModelCap never re-runs a benchmark.
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Gemma 4 26B A4B ranks higher on the ModelCap Index as of 22 September 2026: #38 against #43. That is a capability ranking built from public benchmark evidence with published uncertainty; whether it is "better" for you also depends on price, context and where you can run it. Their published uncertainty intervals overlap, so the rank difference alone does not establish a reliable capability advantage for your workload.
MiMo-V2.5 is cheaper on output tokens: $0.28/1M against $0.30/1M. Input tokens are $0.09/1M for Gemma 4 26B A4B and $0.14/1M for MiMo-V2.5. Prices are the lowest listed API offer ModelCap observed, in USD per million tokens. For 1,000 requests with 2,000 input and 500 output tokens each (2M input + 0.5M output), the listed-rate estimate is $0.33 for Gemma 4 26B A4B versus $0.42 for MiMo-V2.5. Gemma 4 26B A4B costs 21.4% less in this scenario. This excludes caching, batch discounts, prompt-length tiers, tool charges and retries; verify the selected endpoint before budgeting.
MiMo-V2.5 has the larger context window: 1M tokens against 262K.
Arena coding: Gemma 4 26B A4B 1481, MiMo-V2.5 1491 — MiMo-V2.5 leads.
Gemma 4 26B A4B: Open weights. MiMo-V2.5: Open weights. Open weights mean the checkpoint can be downloaded and self-hosted under its licence; API-only models are available solely through hosted endpoints.
ModelCap currently lists 12 API providers for Gemma 4 26B A4B and 6 for MiMo-V2.5, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.
Every figure comes from the sealed ModelCap dataset published 22 September 2026; the page re-renders within a minute of each data refresh, and the ModelCap Index positions are the same ones shown on the live rankings.