Gemini Robotics-ER 1.6 Preview vs Muse Spark 1.1
Muse Spark 1.1 comes out ahead, 57 to 50 on our weighted score.
GoogleGemini Robotics-ER 1.6 Preview
50/100- ECI—
- Price$1.00 / $5.00
- Context131K
- Our pick
MetaMuse Spark 1.1
57/100- ECI154.3
- Price$1.25 / $4.25
- Context1.05M
Add a model
Make it a three-way comparison.
Muse Spark 1.1 is our pick
Muse Spark 1.1 is the better all-round choice, scoring 57/100 against Gemini Robotics-ER 1.6 Preview (50). It leads 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 priceSame priceGemini Robotics-ER 1.6 Preview $2.00 · Muse Spark 1.1 $2.00 per 1M tokens (3:1 blend)
- Longest contextMuse Spark 1.1Muse Spark 1.1 1,048,576 · Gemini Robotics-ER 1.6 Preview 131,072 tokens
- Widest inputsSame inputsGemini Robotics-ER 1.6 Preview: Text, Images, Audio, Video · Muse Spark 1.1: Text, Images, PDFs, Video
- Self-hostingNo open weightsBoth are available only through APIs
| Measure | Weight | Gemini Robotics-ER 1.6 Preview | Muse Spark 1.1 |
|---|---|---|---|
| Price | 50% | 36 | 36 |
| Inputs & features | 30% | 90 | 90 |
| Context window | 20% | 24 | 61 |
| Overall | 100% | 50/100 | 57/100 |
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 | Gemini Robotics-ER 1.6 PreviewGoogle | Muse Spark 1.1Meta |
|---|---|---|
| Capability | ||
| Capabilities Index (ECI) | — | 154.3 |
| ECI rank | — | #35 of 148 |
| SimpleQA VerifiedShort factual questions | — | 57.8% |
| Price per million tokens | ||
| Input | $1.00 (best) | $1.25 |
| Output | $5.00 | $4.25 (best) |
| Cached input | — | $0.15 |
| Blended (3:1) | $2.00 | $2.00 |
| Long-context rate | Same rate | Same rate |
| Price source | Median of 1 providers | Official Meta API |
| Limits | ||
| Context window | 131,072 tokens | 1,048,576 tokens (best) |
| Max output | 65,536 tokens | 131,072 tokens (best) |
| Inputs and features | ||
| Text | Yes | Yes |
| Images | Yes | Yes |
| PDFs | No | Yes |
| Audio | Yes | No |
| Video | Yes | Yes |
| Reasoning | Yes | Yesminimal · low · medium · high · xhigh |
| Tool calling | Yes | Yes |
| Structured output | Yes | Yes |
| Availability | ||
| Weights | Proprietary | Proprietary |
| API model ID | — | muse-spark-1.1 |
| API providers | 1 | 13 (best) |
| Released | Apr 14, 2026 | Jul 9, 2026 |
| Knowledge cutoff | Jan 2025 | — |
What would a month cost?
Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.
- Gemini Robotics-ER 1.6 Preview$20.00
- Muse Spark 1.1$21.00
Which should you choose?
Which is better: Gemini Robotics-ER 1.6 Preview or Muse Spark 1.1?
Muse Spark 1.1 is the better all-round choice, scoring 57/100 against Gemini Robotics-ER 1.6 Preview (50). It leads 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, Gemini Robotics-ER 1.6 Preview or Muse Spark 1.1?
Gemini Robotics-ER 1.6 Preview and Muse Spark 1.1 cost the same: $1.00 input / $5.00 output per million tokens.
Which scores higher on benchmarks?
There is no independent benchmark that covers both models yet. Gemini Robotics-ER 1.6 Preview has not been scored yet and Muse Spark 1.1 has an ECI of 154.3.
Which is better for coding?
There are no published SWE-bench Verified results for Gemini Robotics-ER 1.6 Preview and Muse Spark 1.1 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?
Muse Spark 1.1 has the largest context window at 1,048,576 tokens, against 131,072 for Gemini Robotics-ER 1.6 Preview. Maximum output per response: Gemini Robotics-ER 1.6 Preview up to 65,536, Muse Spark 1.1 up to 131,072 tokens.
Which can read images, PDFs, audio or video?
Gemini Robotics-ER 1.6 Preview accepts text, images, audio and video; Muse Spark 1.1 accepts text, images, PDFs and video. They handle the same number of input types.
Are any of these open source?
No. Gemini Robotics-ER 1.6 Preview and Muse Spark 1.1 are proprietary and only available through APIs and apps.
Which is newer?
Muse Spark 1.1 is the newest, released Jul 9, 2026. Gemini Robotics-ER 1.6 Preview came out Apr 14, 2026. Knowledge cutoff: Gemini Robotics-ER 1.6 Preview Jan 2025.
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.
Related comparisons
- Add GLM-5V-TurboThree-way comparison
- Gemini Robotics-ER 1.6 Preview vs GLM-5V-TurboZ.ai (Zhipu)
- Gemini Robotics-ER 1.6 Preview vs DeepSeek V4 ProDeepSeek
- Gemini Robotics-ER 1.6 Preview vs Seed 2.1 ProByteDance Seed
- Gemini Robotics-ER 1.6 Preview vs Grok 4.20 (Non-Reasoning)xAI
- Muse Spark 1.1 vs Gemini 3.6 FlashGoogle · ECI 154.3
- Muse Spark 1.1 vs Grok 4.5xAI · ECI 154.0
