DeepSeek V3 vs Gemini Robotics-ER 1.5 Preview
DeepSeek V3 (2024) and Gemini Robotics-ER 1.5 Preview (2025) are compact production models from DeepSeek and Google DeepMind. DeepSeek V3 ships a 64k-token context window, while Gemini Robotics-ER 1.5 Preview ships a 32K-token context window. This comparison covers specs, pricing, capabilities, benchmarks, provider availability, and production fit. It focuses on practical selection signals rather than broad model-family marketing. The goal is to make the tradeoff clear before deeper testing.
Gemini Robotics-ER 1.5 Preview is safer overall; choose DeepSeek V3 when long-context analysis matters.
Decision scorecard
Local evidence first| Signal | DeepSeek V3 | Gemini Robotics-ER 1.5 Preview |
|---|---|---|
| Best for | tool-calling agents and provider-routed production | multimodal apps and tool-calling agents |
| Decision fit | Coding, Agents, and Classification | Agents, Vision, and JSON / Tool use |
| Context window | 64k | 32K |
| Cheapest output | $0.30/1M tokens | - |
| Provider routes | 13 tracked | 1 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- DeepSeek V3 has the larger context window for long prompts, retrieval packs, or transcript analysis.
- DeepSeek V3 has broader tracked provider coverage for fallback and procurement flexibility.
- DeepSeek V3 uniquely exposes Structured outputs in local model data.
- Local decision data tags DeepSeek V3 for Coding, Agents, and Classification.
- Gemini Robotics-ER 1.5 Preview uniquely exposes Vision and Multimodal in local model data.
- Local decision data tags Gemini Robotics-ER 1.5 Preview for Agents, Vision, and JSON / Tool use.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
DeepSeek V3
$155
Cheapest tracked route/tier: Bitdeer AI
Gemini Robotics-ER 1.5 Preview
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 DeepSeek V3 and Gemini Robotics-ER 1.5 Preview; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Structured outputs before moving production traffic.
- Gemini Robotics-ER 1.5 Preview adds Vision and Multimodal in local capability data.
- No overlapping tracked provider route is sourced for Gemini Robotics-ER 1.5 Preview and DeepSeek V3; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Vision and Multimodal before moving production traffic.
- DeepSeek V3 adds Structured outputs in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2024-12-26 | 2025-03-12 |
| Context window | 64k | 32K |
| Parameters | 671B | — |
| Architecture | mixture of experts | decoder only |
| License | Open Source | Proprietary |
| Knowledge cutoff | 2024-04 | - |
Pricing and availability
| Pricing attribute | DeepSeek V3 | Gemini Robotics-ER 1.5 Preview |
|---|---|---|
| Input price | $0.10/1M tokens | - |
| Output price | $0.30/1M tokens | - |
| Providers |
Capabilities
| Capability | DeepSeek V3 | Gemini Robotics-ER 1.5 Preview |
|---|---|---|
| Vision | No | Yes |
| Multimodal | No | Yes |
| Reasoning | No | No |
| Function calling | Yes | Yes |
| Tool use | Yes | Yes |
| Structured outputs | Yes | No |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
No shared benchmark rows are currently sourced for this pair.
Deep dive
The capability footprint differs most on vision: Gemini Robotics-ER 1.5 Preview, multimodal input: Gemini Robotics-ER 1.5 Preview, and structured outputs: DeepSeek V3. Both models share function calling and tool use, so the practical split is not just feature count. Use those differences to decide whether the page is about raw model quality, agentic coding support, multimodal ingestion, or predictable structured API behavior.
Pricing coverage is uneven: DeepSeek V3 has $0.10/1M input tokens and Gemini Robotics-ER 1.5 Preview has no token price sourced yet. Provider availability is 13 tracked routes versus 1. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.
Choose DeepSeek V3 when long-context analysis, larger context windows, and broader provider choice are central to the workload. Choose Gemini Robotics-ER 1.5 Preview when vision-heavy evaluation are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship. This keeps the decision grounded in measurable tradeoffs instead of brand-level assumptions. It also helps separate model capability from provider packaging, which can change cost and latency.
FAQ
Which has a larger context window, DeepSeek V3 or Gemini Robotics-ER 1.5 Preview?
DeepSeek V3 supports 64k tokens, while Gemini Robotics-ER 1.5 Preview supports 32K tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Is DeepSeek V3 or Gemini Robotics-ER 1.5 Preview open source?
DeepSeek V3 is listed under Open Source. Gemini Robotics-ER 1.5 Preview is listed under Proprietary. License labels affect whether you can self-host, redistribute weights, or rely only on hosted APIs, so confirm the upstream license before deployment.
Which is better for vision, DeepSeek V3 or Gemini Robotics-ER 1.5 Preview?
Gemini Robotics-ER 1.5 Preview has the clearer documented vision signal in this comparison. If vision is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for multimodal input, DeepSeek V3 or Gemini Robotics-ER 1.5 Preview?
Gemini Robotics-ER 1.5 Preview has the clearer documented multimodal input signal in this comparison. If multimodal input is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for function calling, DeepSeek V3 or Gemini Robotics-ER 1.5 Preview?
Both DeepSeek V3 and Gemini Robotics-ER 1.5 Preview expose function calling. The better choice depends on benchmark fit, context budget, pricing, and whether your provider route exposes the same capability surface.
Where can I run DeepSeek V3 and Gemini Robotics-ER 1.5 Preview?
DeepSeek V3 is available on DeepInfra, Fireworks AI, DeepSeek Platform, Microsoft Foundry, and OpenRouter. Gemini Robotics-ER 1.5 Preview is available on Google AI Studio. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
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Last reviewed: 2026-05-22. Data sourced from public model cards and provider documentation.