RoboBrain 2.5
BAAI · 110B and 270B tiers
An open brain for embodied intelligence
BAAI’s May 2026 open embodied multimodal model, in 110B and 270B tiers under Apache-2.0: video 80, perception 90 and agents 72 for robot manipulation and spatial planning; documents 60 and generation 30 make it unsuitable for general business work. Composite 70.6.
Last updated Oct 21, 2026Editorial scoring
Bottom line
Eight-dimension breakdown
editorial mapping · 0–100- RoboBrain 2.570.6
Weights: perception 20 / documents 18 / charts 14 / video 14 / agents 14 / generation 6 / Chinese 6 / ecosystem 8. Definitions and sources on the methodology page.
Public benchmarks
as reported, not converted| Benchmark / metric | Value | Note |
|---|---|---|
| 参数规模 | 110B / 270B | Two tiers |
| 许可证 | Apache-2.0 | Commercial use |
| 上下文 | 128K | Official spec |
Public scores come from different versions and prompts and are not interchangeable with our composite; they are one evidence input.
Scenario mapping
five stress tests, one scale| Scenario | Score | Observation |
|---|---|---|
| Embodied manipulation | 92 · A new capability axis here | |
| 30-min video QA | 80 · Good dynamic-scene understanding | |
| Chinese receipt OCR | 60 · Not a document model | |
| Mobile GUI control | 55 · Not GUI-specific | |
| Chinese cultural context | 80 · Mostly research context |
Strengths and limitations
Strengths
- Embodied manipulation and spatial planning: a scarce combination among Chinese open weights.
- Video 80 and perception 90 make dynamic-scene understanding solid.
- Apache-2.0 plus 110B/270B gives robotics teams their own base.
Limitations
- Documents 60 and generation 30: unusable for general content tasks.
- Ecosystem 78: tooling is research-oriented, with thin production docs.
- Self-hosting 270B is expensive, and real robots still need an action-policy layer.
Price and real cost
List price
—N/A
Open weights; self-hosted, no API fee. For 1,000 images at 1,024px, ~1,100 image tokens each and 300 output tokens, the monthly cost is about ¥0.0 (assuming input at 25% of output price).
Use your volumeAbout RoboBrain 2.5
Is RoboBrain 2.5 open source?
Licence: Open weights (Apache-2.0). Weights are available, but check the exact terms and filing requirements before commercial use.
How much does RoboBrain 2.5 cost?
Open weights; self-hosted, no API fee. It ranks #50 with a composite of 70.6. Real bills depend on resolution, tiling, caching and volume discounts.
What is RoboBrain 2.5 best for?
Robot manipulation and grasping; Embodied-intelligence research; Spatial planning in simulation。
Why does RoboBrain 2.5 score 70.6?
The composite weights eight dimensions: perception 20%, documents 18%, charts 14%, video 14%, agents 14%, generation 6%, Chinese 6%, ecosystem 8%. Its strongest dimension is Visual perception & grounding; its weakest is Generation & editing.
Personal ranking · Not an official score
Every ranking, score and comparison on this page is an independent personal ranking, not an official score, and represents no vendor, institution or regulator. Scores are a subjective mapping of public evidence under our own weights — change the weights and the order changes. Disagree, or spotted a factual error? Contact the site owner: jizhi2024@foxmail.com — we check each report and log corrections in the changelog.