Gemini Robotics-ER 1.6 Preview vs Phi-4 Mini Flash Reasoning
Gemini Robotics-ER 1.6 Preview (2026) and Phi-4 Mini Flash Reasoning (2025) are frontier-tier reasoning models from Google DeepMind and Microsoft Research. Gemini Robotics-ER 1.6 Preview ships a 128k-token context window, while Phi-4 Mini Flash Reasoning 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.
Gemini Robotics-ER 1.6 Preview is safer overall; choose Phi-4 Mini Flash Reasoning when provider fit matters.
Decision scorecard
Local evidence first| Signal | Gemini Robotics-ER 1.6 Preview | Phi-4 Mini Flash Reasoning |
|---|---|---|
| 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 Phi-4 Mini Flash Reasoning 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
Phi-4 Mini Flash Reasoning
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 Phi-4 Mini Flash Reasoning; 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 Phi-4 Mini Flash Reasoning 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 | 2025-12-01 |
| Context window | 128k | 128k |
| Parameters | — | 3.8B |
| Architecture | Decoder Only | Decoder Only |
| License | Proprietary | MITOSI-approved |
| Openness | Proprietary | Open source |
| Weights | Not released | Unknown |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: conditional | Commercial use: permitted |
| Knowledge cutoff | - | 2025-02 |
Pricing and availability
| Pricing attribute | Gemini Robotics-ER 1.6 Preview | Phi-4 Mini Flash Reasoning |
|---|---|---|
| Input price | $1/1M tokens | - |
| Output price | $5/1M tokens | - |
| Providers |
Capabilities
| Capability | Gemini Robotics-ER 1.6 Preview | Phi-4 Mini Flash Reasoning |
|---|---|---|
| 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
- Gemini Robotics-ER 1.6 Preview vs Magistral Small 2506
- Phi-4 Mini Flash Reasoning vs Qwen3.5-9B
- Together AI - Gemma 3n-e4B vs Phi-4 Mini Flash Reasoning
- Gemma 2 9B SahabatAI Instruct vs Phi-4 Mini Flash Reasoning
- ByteDance Doubao Seed 2.0 Pro vs Phi-4 Mini Flash Reasoning
- Llama 3 8B Instruct vs Phi-4 Mini Flash Reasoning
- Llama 3.2 1B Instruct vs Phi-4 Mini Flash Reasoning
Popular comparisons for Gemini Robotics-ER 1.6 Preview
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Popular comparisons for Phi-4 Mini Flash Reasoning
- Phi-4 Mini Flash Reasoning vs Qwen3.5-9B
- Phi-4 Mini Flash Reasoning vs Together AI - Gemma 3n-e4B
- Phi-4 Mini Flash Reasoning vs Gemma 2 9B SahabatAI Instruct
- Phi-4 Mini Flash Reasoning vs ByteDance Doubao Seed 2.0 Pro
- Phi-4 Mini Flash Reasoning vs Llama 3 8B Instruct
- Phi-4 Mini Flash Reasoning vs Llama 3.2 1B Instruct
Last reviewed: 2026-06-15. Data sourced from public model cards and provider documentation.