Gemini Robotics-ER 1.6 Preview vs Magistral Small 2506
Gemini Robotics-ER 1.6 Preview (2026) and Magistral Small 2506 (2025) are frontier-tier reasoning models from Google DeepMind and MistralAI. Gemini Robotics-ER 1.6 Preview ships a 128k-token context window, while Magistral Small 2506 ships a 128k-token context window. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads. It focuses on practical selection signals rather than broad model-family marketing.
Gemini Robotics-ER 1.6 Preview is safer overall; choose Magistral Small 2506 when provider fit matters.
Decision scorecard
Local evidence first| Signal | Gemini Robotics-ER 1.6 Preview | Magistral Small 2506 |
|---|---|---|
| Best for | reasoning-heavy apps, multimodal apps, and tool-calling agents | reasoning-heavy apps |
| Decision fit | RAG, Agents, and Long context | Long context |
| Context window | 128k | 128k |
| Cheapest output | $5/1M tokens | - |
| Provider routes | 1 tracked | 1 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- Gemini Robotics-ER 1.6 Preview uniquely exposes Vision, Multimodal, and JSON / Tool use in local model data.
- Local decision data tags Gemini Robotics-ER 1.6 Preview for RAG, Agents, and Long context.
- Local decision data tags Magistral Small 2506 for Long context.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Gemini Robotics-ER 1.6 Preview
$2,050
Cheapest tracked route/tier: Google AI Studio
Magistral Small 2506
Unavailable
No complete token price in local provider data
Cost delta unavailable until both models have sourced input and output token prices.
Switch friction
- No overlapping tracked provider route is sourced for Gemini Robotics-ER 1.6 Preview and Magistral Small 2506; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Vision, Multimodal, and JSON / Tool use before moving production traffic.
- No overlapping tracked provider route is sourced for Magistral Small 2506 and Gemini Robotics-ER 1.6 Preview; plan for SDK, billing, or endpoint changes.
- Gemini Robotics-ER 1.6 Preview adds Vision, Multimodal, and JSON / Tool use in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-04-14 | 2025-06-10 |
| Context window | 128k | 128k |
| Parameters | — | 24B |
| Architecture | Decoder Only | Decoder Only |
| License | Proprietary | Apache 2.0OSI-approved |
| Openness | Proprietary | Open source |
| Weights | Not released | Unknown |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: conditional | Commercial use: permitted |
| Knowledge cutoff | - | 2025-06 |
Pricing and availability
| Pricing attribute | Gemini Robotics-ER 1.6 Preview | Magistral Small 2506 |
|---|---|---|
| Input price | $1/1M tokens | - |
| Output price | $5/1M tokens | - |
| Providers |
Capabilities
| Capability | Gemini Robotics-ER 1.6 Preview | Magistral Small 2506 |
|---|---|---|
| Vision | Yes | No |
| Multimodal | Yes | No |
| Reasoning | Yes | Yes |
| JSON / Tool use | Yes | No |
| Structured outputs | Yes | No |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
No shared benchmark scores are currently available for this pair.
Continue comparing
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Last reviewed: 2026-06-15. Data sourced from public model cards and provider documentation.