Gemma 4 12B vs Gemma 4 E4B
Gemma 4 12B (2026) and Gemma 4 E4B (2026) are frontier reasoning models from Google DeepMind. Gemma 4 12B ships a 256k-token context window, while Gemma 4 E4B 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.
Gemma 4 12B is safer overall; choose Gemma 4 E4B when provider fit matters.
Decision scorecard
Local evidence first| Signal | Gemma 4 12B | Gemma 4 E4B |
|---|---|---|
| Best for | reasoning-heavy apps, multimodal apps, and tool-calling agents | multimodal apps and tool-calling agents |
| Decision fit | RAG, Agents, and Long context | RAG, Agents, and Long context |
| Context window | 256k | 128k |
| Cheapest output | - | - |
| Provider routes | 2 tracked | 1 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- Gemma 4 12B has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Gemma 4 12B has broader tracked provider coverage for fallback and procurement flexibility.
- Gemma 4 12B uniquely exposes Vision, Reasoning, and Tool use in local model data.
- Local decision data tags Gemma 4 12B for RAG, Agents, and Long context.
- Local decision data tags Gemma 4 E4B for RAG, Agents, and Long context.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Gemma 4 12B
Unavailable
No complete token price in local provider data
Gemma 4 E4B
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 Gemma 4 12B and Gemma 4 E4B; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Vision, Reasoning, and Tool use before moving production traffic.
- No overlapping tracked provider route is sourced for Gemma 4 E4B and Gemma 4 12B; plan for SDK, billing, or endpoint changes.
- Gemma 4 12B adds Vision, Reasoning, and Tool use in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-06-03 | 2026-03-31 |
| Context window | 256k | 128k |
| Parameters | 12B | 4B |
| Architecture | Decoder Only | - |
| License | Apache 2.0OSI-approved | Apache 2.0OSI-approved |
| Openness | Open source | Open source |
| Commercial use | Commercial use: permitted | Commercial use: permitted |
| Knowledge cutoff | 2025-01 | 2025-01 |
Pricing and availability
| Pricing attribute | Gemma 4 12B | Gemma 4 E4B |
|---|---|---|
| Input price | - | - |
| Output price | - | - |
| Providers |
Pricing not yet sourced for either model.
Capabilities
| Capability | Gemma 4 12B | Gemma 4 E4B |
|---|---|---|
| Vision | Yes | No |
| Multimodal | Yes | Yes |
| Reasoning | Yes | No |
| Function calling | Yes | Yes |
| 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.
Deep dive
The capability footprint differs most on vision: Gemma 4 12B, reasoning mode: Gemma 4 12B, tool use: Gemma 4 12B, and structured outputs: Gemma 4 12B. Both models share multimodal input and function calling, 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: Gemma 4 12B has no token price sourced yet and Gemma 4 E4B has no token price sourced yet. Provider availability is 2 tracked routes versus 1. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.
Choose Gemma 4 12B when reasoning depth, larger context windows, and broader provider choice are central to the workload. Choose Gemma 4 E4B when provider fit 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, Gemma 4 12B or Gemma 4 E4B?
Gemma 4 12B supports 256k tokens, while Gemma 4 E4B supports 128k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Is Gemma 4 12B or Gemma 4 E4B open source?
Gemma 4 12B is listed under Apache 2.0. Gemma 4 E4B is listed under Apache 2.0. 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, Gemma 4 12B or Gemma 4 E4B?
Gemma 4 12B 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, Gemma 4 12B or Gemma 4 E4B?
Both Gemma 4 12B and Gemma 4 E4B expose multimodal input. The better choice depends on benchmark fit, context budget, pricing, and whether your provider route exposes the same capability surface.
Which is better for reasoning mode, Gemma 4 12B or Gemma 4 E4B?
Gemma 4 12B has the clearer documented reasoning mode signal in this comparison. If reasoning mode is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Where can I run Gemma 4 12B and Gemma 4 E4B?
Gemma 4 12B is available on Hugging Face Inference Endpoints and Kaggle Models. Gemma 4 E4B is available on GCP Vertex AI. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
Continue comparing
- Gemma 4 12B vs Qwen2-7B-Instruct
- Gemma 4 E2B vs Gemma 4 E4B
- Gemma 4 12B vs ShieldGemma 9B
- Dracarys Llama 3.1 70B Instruct vs Gemma 4 12B
- Gemma 2 9B SahabatAI Instruct vs Gemma 4 12B
- Gemma 4 12B vs Llama 3 Taiwan 70B Instruct
- Gemma 4 12B vs Llama 3 Swallow 70B Instruct
- Gemma 4 12B vs Llama 3.1 Swallow 8B Instruct
- Gemma 4 12B vs Llama 3.1 Swallow 70B Instruct
- Bielik 11B v2.6 Instruct vs Gemma 4 12B
Last reviewed: 2026-06-29. Data sourced from public model cards and provider documentation.