Claude Fable 5.1 vs Gemini Robotics 2
At a Glance
| Compare | Claude Fable 5.1Anthropic |  Gemini Robotics 2Google DeepMind |
|---|---|---|
| Intelligence, Cost, and Efficiency | ||
| IntelligenceHigher is better · MM Intelligence v2.5 | #1 of 4699.0 score · 3/3 sources · complete | UnrankedNot in the 46-model eligible cohort |
| CostLower is better · Published-token output estimate | #43 of 44$0.824 per LiveBench case | UnrankedNot in the 44-model eligible cohort |
| EfficiencyHigher is better · MM Efficiency v1.5 | #22 of 3851.7 score · 3/3 sources · complete | UnrankedNot in the 38-model eligible cohort |
| Pricing and Limits | ||
| Context windowMaximum documented tokens | 1,000K | Not reported |
| Model facts checked | Sep 2, 2026View model evidence → | Aug 29, 2026View model evidence → |
Available Benchmarks
Side-by-Side Facts
| Field | Claude Fable 5.1 | Gemini Robotics 2 |
|---|---|---|
| Developer | Anthropic | Google DeepMind |
| Family | Claude 5 1 | Gemini Robotics |
| Model | Claude Fable 5.1 | Gemini Robotics 2 |
| Version | Claude Fable 5.1 | 2 |
| Lifecycle | active | preview |
| Released | 2026-09-01 | 2026-07-30 |
| Knowledge cutoff | 2026-06-01 | Unknown |
| Input modalities | Text, Image | Text, Image, Robot state |
| Output modalities | Text | Robot action |
| Context window | 1,000K | Unknown |
| Total parameters | Unknown | Unknown |
| Active parameters | Unknown | Unknown |
| License | Unknown | Unknown |
| Open weights | No | No |
| API available | Yes | Unknown |
| Self-hostable | No | Unknown |
| Provider access | Anthropic (Standard) | Unknown |
| Capabilities | chat, generation, reasoning, tools | cross-embodiment, dexterous-manipulation, whole-body-control, multi-robot-collaboration |
| Robotics model type | Unknown | Vision-language-action model |
| Action representation | Unknown | Motor-control actions |
| Control architecture | Unknown | Vision-language-action model |
| Inference location | Unknown | Unknown |
| Native control rate (Hz) | Unknown | Unknown |
| Supported embodiments | Unknown | Apptronik Apollo 2 with Inspire hands, Apptronik Apollo 2 with Sharpa hands, Franka Duo with Robotiq gripper |
| Training data | Unknown | Not disclosed in the cited model page. |
Claude Fable 5.1 Capabilities
Gemini Robotics 2 Capabilities
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Primary Evidence
Sources and Freshness
Questions
Claude Fable 5.1 vs Gemini Robotics 2 FAQs
Is Claude Fable 5.1 or Gemini Robotics 2 better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Claude Fable 5.1 and Gemini Robotics 2, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Claude Fable 5.1 or Gemini Robotics 2?+
Only Claude Fable 5.1 has a directly sourced input price: $10.00 per million tokens. Only Claude Fable 5.1 has a directly sourced output price: $50.00 per million tokens.
Which has a larger context window, Claude Fable 5.1 or Gemini Robotics 2?+
Neither model has a larger sourced context window in this comparison. Claude Fable 5.1 is 1,000K and Gemini Robotics 2 is —.
Which performs better in benchmarks, Claude Fable 5.1 or Gemini Robotics 2?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can Claude Fable 5.1 or Gemini Robotics 2 be self-hosted?+
Neither model is the only model in this pair currently marked as self-hostable. Claude Fable 5.1 is not marked open weight; Gemini Robotics 2 is not marked open weight.
Can Claude Fable 5.1 and Gemini Robotics 2 understand images?+
Claude Fable 5.1 is documented with image input; Gemini Robotics 2 is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Claude Fable 5.1 or Gemini Robotics 2?+
Neither has a larger sourced maximum output. Claude Fable 5.1 is 128K and Gemini Robotics 2 is —.
Do Claude Fable 5.1 and Gemini Robotics 2 support reasoning and tool use?+
Claude Fable 5.1: reasoning, tool calling, and image input. Gemini Robotics 2: image input. Feature support does not establish relative quality.
Which is available from more inference providers, Claude Fable 5.1 or Gemini Robotics 2?+
Claude Fable 5.1 has 1 sourced provider route; Gemini Robotics 2 has 0, so Claude Fable 5.1 has broader tracked availability.
Which offers better value, Claude Fable 5.1 or Gemini Robotics 2?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.