Gemma 4 E4B
Gemma 4 E4B is worth evaluating for rag, agents, and long context when its provider route and context window match the workload.
Use it for
- Teams evaluating rag, agents, and long context
- Workloads that can use a 128k context window
- Buyers comparing 1 tracked provider route
Do not use it for
- Workloads where another current model has stronger sourced task evidence
- Family
- Gemma 4
- Released
- 2026-03-31
- Context
- 128k
- Parameters
- 4B
- Knowledge cutoff
- 2025-01
- Openness
- Open source
- License
- Apache 2.0OSI-approvedCommercial use: permitted
- Weights
- Available
- Code
- Unknown
Cheapest of 1 route · GCP Vertex AI
About
Efficient 4B model with native audio input support. Balances performance and efficiency for edge and on-device deployment with reasoning and coding capabilities.
Gemma 4 E4B is an open-source model in the Gemma 4 family. The structured metadata tracks a 128k-token context window, multimodal input, and function calling. This page tracks provider routes through GCP Vertex AI, with the cheapest tracked route listed at free input and free output per 1M tokens. Headline tracked benchmarks include MMMU Pro 52.6.
Top use-case fit: coding, agents, and build tasks
RAG
Included by capability and metadata signals in the decision map.
Agents
Included by capability and metadata signals in the decision map.
Long context
Included by capability and metadata signals in the decision map.
Provider price ladder
Compare API pricing across 1 providers for input and output tokens, batch, and cached reads when available.
| Provider | Input / 1M | Output / 1M | Route |
|---|---|---|---|
| GCP Vertex AI | Free | Free | Serverless |
Available via routers & gateways(13)
LiteLLM
GatewayOpen-source Python SDK and proxy server that unifies 100+ LLM APIs behind a single OpenAI-compatible interface, with load balancing, cost tracking, and configurable failover.
OpenRouter
HybridUnified hybrid gateway to 400+ models from 60+ providers via a single OpenAI-compatible API, with optional auto-routing that selects the best model per prompt.
Portkey
GatewayProduction AI gateway routing to 1,600+ LLMs with failover, load balancing, semantic caching, and guardrails; Apache 2.0 core is fully self-hostable with the complete feature set.
AIRouter
RouterCommercial LLM router that analyzes incoming requests and routes to the optimal model for cost/quality/latency via a drop-in OpenAI-compatible API, with a privacy-preserving embedding mode that avoids sending prompt content.
Helicone
GatewayObservability-first AI gateway with routing, caching, rate limiting, and request tracing; Apache 2.0 open-source core with a managed hosted tier for logging and analytics.
Kong AI Gateway
GatewayMulti-LLM AI gateway built on Kong Gateway 3.x, adding semantic routing, load balancing, guardrails, and MCP traffic analytics as plugins over Kong's existing API management platform.
Capabilities
Benchmark peer barsfor RAG
No task-mapped benchmark peers are available for this model yet.
Benchmark scores(1)
| Benchmark | Score | Version | Source |
|---|---|---|---|
| MMMU Pro | 52.6 | LLM-Stats aggregator | https://llm-stats.com/benchmarks/mmmu-pro |
Migration checks
No linked migration route is available for this model yet.
Rankings & picks(1)
Compare Gemma 4 E4B with other models
Comparison and alternatives
Browse all comparisons →Frequently asked questions
What is the context window of Gemma 4 E4B?
Gemma 4 E4B has a context window of 128k tokens.
How much does Gemma 4 E4B cost?
Gemma 4 E4B is available at $0/1M input tokens through GCP Vertex AI.
When was Gemma 4 E4B released?
Gemma 4 E4B was released on 2026-03-31.
Which providers offer Gemma 4 E4B?
Gemma 4 E4B is available from 1 provider: GCP Vertex AI.
What benchmarks has Gemma 4 E4B been tested on?
Gemma 4 E4B has been evaluated on 1 benchmark, including MMMU Pro.
Cheapest of 1 route · GCP Vertex AI