Laguna XS 2.1 vs MiMo-V2.5-Pro-UltraSpeed
Laguna XS 2.1 comes out ahead, 68 to 43 on our weighted score, and it is the cheaper option too.
- Our pick
PoolsideLaguna XS 2.1
68/100- ECI—
- Price$0.06 / $0.12
- Context262K
XiaomiMiMo-V2.5-Pro-UltraSpeed
43/100- ECI—
- Price$1.30 / $2.61
- Context1.05M
Add a model
Make it a three-way comparison.
Laguna XS 2.1 is our pick
Laguna XS 2.1 is the better all-round choice, scoring 68/100 against MiMo-V2.5-Pro-UltraSpeed (43). It leads on price. MiMo-V2.5-Pro-UltraSpeed wins on context window. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
- CapabilityNot enough dataNo independent benchmark covers every model here yet
- Lowest priceLaguna XS 2.1Laguna XS 2.1 $0.075 · MiMo-V2.5-Pro-UltraSpeed $1.63 per 1M tokens (3:1 blend)
- Longest contextMiMo-V2.5-Pro-UltraSpeedMiMo-V2.5-Pro-UltraSpeed 1,048,576 · Laguna XS 2.1 262,144 tokens
- Widest inputsSame inputsLaguna XS 2.1: Text · MiMo-V2.5-Pro-UltraSpeed: Text
- Self-hostingAll open weightsEvery model here can be downloaded and run on your own hardware
| Measure | Weight | Laguna XS 2.1 | MiMo-V2.5-Pro-UltraSpeed |
|---|---|---|---|
| Price | 50% | 100 | 40 |
| Inputs & features | 30% | 35 | 35 |
| Context window | 20% | 37 | 61 |
| Overall | 100% | 68/100 | 43/100 |
Left out because at least one model lacks the data: capability. The remaining weights were rescaled.
Every spec in one table
Highlighted cells lead their row. Dashes mean the data is not published.
| Specification | Laguna XS 2.1Poolside | MiMo-V2.5-Pro-UltraSpeedXiaomi |
|---|---|---|
| Capability | ||
| Capabilities Index (ECI) | — | — |
| ECI rank | — | — |
| Price per million tokens | ||
| Input | $0.06 (best) | $1.30 |
| Output | $0.12 (best) | $2.61 |
| Cached input | — | $0.011 |
| Blended (3:1) | $0.075 (best) | $1.63 |
| Long-context rate | Same rate | Same rate |
| Price source | Median of 1 providers | Official Xiaomi API |
| Limits | ||
| Context window | 262,144 tokens | 1,048,576 tokens (best) |
| Max output | 32,768 tokens | 131,072 tokens (best) |
| Inputs and features | ||
| Text | Yes | Yes |
| Images | No | No |
| PDFs | No | No |
| Audio | No | No |
| Video | No | No |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Structured output | No | No |
| Availability | ||
| Weights | Open | Open |
| API model ID | poolside/laguna-xs-2.1 | mimo-v2.5-pro-ultraspeed |
| API providers | 4 (best) | 1 |
| Released | Jul 2, 2026 | Jun 8, 2026 |
| Knowledge cutoff | — | Dec 2024 |
What would a month cost?
Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.
- Laguna XS 2.1$0.84
- MiMo-V2.5-Pro-UltraSpeed$18.27
Which should you choose?
Which is better: Laguna XS 2.1 or MiMo-V2.5-Pro-UltraSpeed?
Laguna XS 2.1 is the better all-round choice, scoring 68/100 against MiMo-V2.5-Pro-UltraSpeed (43). It leads on price. MiMo-V2.5-Pro-UltraSpeed wins on context window. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
Which is cheaper, Laguna XS 2.1 or MiMo-V2.5-Pro-UltraSpeed?
Laguna XS 2.1 is cheaper at $0.06 input / $0.12 output per million tokens (median across 1 API provider; free on Poolside). MiMo-V2.5-Pro-UltraSpeed costs $1.30 input / $2.61 output per million tokens (official Xiaomi API price). At a typical mix of three input tokens to one output token, that is $0.075 per million tokens for Laguna XS 2.1 versus $1.63 for MiMo-V2.5-Pro-UltraSpeed (22× as much).
Which scores higher on benchmarks?
There is no independent benchmark that covers both models yet. Laguna XS 2.1 has not been scored yet and MiMo-V2.5-Pro-UltraSpeed has not been scored yet.
Which is better for coding?
There are no published SWE-bench Verified results for Laguna XS 2.1 and MiMo-V2.5-Pro-UltraSpeed yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Both support tool calling for agent workflows.
Which has the bigger context window?
MiMo-V2.5-Pro-UltraSpeed has the largest context window at 1,048,576 tokens, against 262,144 for Laguna XS 2.1. Maximum output per response: Laguna XS 2.1 up to 32,768, MiMo-V2.5-Pro-UltraSpeed up to 131,072 tokens.
Which can read images, PDFs, audio or video?
Laguna XS 2.1 accepts text; MiMo-V2.5-Pro-UltraSpeed accepts text. They handle the same number of input types.
Are any of these open source?
Yes, both publish their weights, so you can self-host them.
Which is newer?
Laguna XS 2.1 is the newest, released Jul 2, 2026. MiMo-V2.5-Pro-UltraSpeed came out Jun 8, 2026. Knowledge cutoff: MiMo-V2.5-Pro-UltraSpeed Dec 2024.
How do you decide the winner?
Each model gets a 0–100 score on capability (50%, independent benchmark results); price (25%, blended price per million tokens (3 input : 1 output), log scale); inputs & features (15%, image, PDF, audio and video input, tool calling, structured output and reasoning); context window (10%, maximum tokens per request, log scale). Dimensions missing for any model are dropped and the remaining weights rescaled, so every model is judged on the same evidence. Specs and prices come from public model listings and the labs’ own API pages; capability scores come from independent benchmark runs. Data updated Oct 4, 2026.
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