Gemma 3 27B APIOPEN WEIGHTS131K context
Gemma 3 introduces multimodality, supporting vision-language input and text outputs.
Pricing & specs mirror our live pricing as of July 2026 (pay-as-you-go).
What is Gemma 3 27B?
Gemma 3 introduces multimodality, supporting vision-language input and text outputs. It handles context windows up to 128k tokens, understands over 140 languages, and offers improved math, reasoning, and chat capabilities,...
Gemma 3 27B on the release timeline
Gemma 3 27B pricing
Pay-as-you-go on DataLLM Lab — these are our live list prices (identical to the pricing page):
| Model | Input / 1M | Output / 1M | Cache read | Cache write | Context |
|---|---|---|---|---|---|
| Gemma 3 27B | $0.08 | $0.16 | — | — | 131K |
On output price, Gemma 3 27B is cheaper than 92% of the 309 models in the catalog. It is served by 5 providers; the best combined rate at our last snapshot was ≈ $0.08 / $0.16 per 1M via DeepInfra, with upstream quantizations bf16, fp8.
What Gemma 3 27B costs per month
| Workload | Tokens in / out (monthly) | Est. cost |
|---|---|---|
| Support chatbot | 40M / 12M | $5.12 |
| RAG / knowledge base | 200M / 20M | $19.20 |
| Coding agent | 80M / 25M | $10.40 |
| Batch extraction | 150M / 8M | $13.28 |
| Content generation | 20M / 40M | $8.00 |
Estimate your own monthly cost
Cost = input price × input volume + output price × output volume. The same five workloads run on every model page, so any two compare directly.
Gemma 3 27B vs alternatives
| Model | Input / 1M | Output / 1M | Context | Our test |
|---|---|---|---|---|
| Gemma 3 27B | $0.08 | $0.16 | 131K | — |
| Gemma 3 12B | $0.05 | $0.15 | 131K | — |
| Gemma 3n 4B | $0.06 | $0.12 | 33K | — |
| Gemma 3 4B | $0.05 | $0.10 | 131K | — |
| Trinity Mini | $0.04 | $0.15 | 131K | — |
| Command R7B (12-2024) | $0.04 | $0.15 | 128K | — |
Specs
| Model ID | google/gemma-3-27b-it |
| Modality | text+image->text (input: text, image) |
| Context window | 131,072 tokens |
| Max output | 16,384 tokens |
| Tool / function calling | ✅ Yes |
| Structured output (JSON) | ✅ Yes |
| Released | 2025-03-12 |
| Knowledge cutoff | 2024-08-31 |
| Open weights | ✅ google/gemma-3-27b-it · 962.3K downloads / 2.0K likes (30d) |
How to call Gemma 3 27B
from openai import OpenAI
client = OpenAI(base_url="https://api.datallmlab.com/v1", api_key="YOUR_DATALLM_LAB_KEY")
resp = client.chat.completions.create(
model="google/gemma-3-27b-it",
messages=[{"role": "user", "content": "Hello"}],
# supports tools=[...] and tool_choice
)
print(resp.choices[0].message.content)curl https://api.datallmlab.com/v1/chat/completions \
-H "Authorization: Bearer YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"google/gemma-3-27b-it","messages":[{"role":"user","content":"Hello"}]}'import OpenAI from "openai";
const client = new OpenAI({ baseURL: "https://api.datallmlab.com/v1", apiKey: process.env.DATALLM_KEY });
const r = await client.chat.completions.create({
model: "google/gemma-3-27b-it",
messages: [{ role: "user", content: "Hello" }],
});
console.log(r.choices[0].message.content);The same key routes Gemma 3 27B and 300+ other models — switch models by changing one string. How OpenAI-compatible APIs work.
Prompting tips for Gemma 3 27B
- Be explicit and show the shape of the answer. Spell out format, tone and constraints up front, and include one short example of the output you want — Gemma 3 27B follows concrete instructions better than abstract ones.
- It reads images. Send image parts alongside your text and ask for specific outputs (named JSON fields, a table, "what changed") rather than "describe this".
- Give it real tools. Pass a
tools=[...]schema instead of asking it to "pretend" — let Gemma 3 27B emit tool calls, execute them, and feed results back for the next turn. - Constrain JSON with a schema. Use
response_format/ structured outputs rather than "reply in JSON" to get valid, parseable objects every time. - Cheap enough to batch. Great for high-volume classification, extraction and drafting — template the prompt, batch requests, and validate outputs programmatically.
Tips are derived from Gemma 3 27B's actual capabilities — context window, tool & JSON support, modality and price tier — not generic advice.
Open-source tools for Gemma 3 27B
Popular open-source projects for running and building with Gemma 3 27B — star counts pulled from GitHub (July 2026).
Listed by GitHub stars; inclusion is by ecosystem relevance (inference engines, agent frameworks and SDKs), not affiliation. Stars change — see each repo for current numbers.
Migrating to Gemma 3 27B
Coming from OpenAI or another gateway? On an OpenAI-compatible setup the only changes are base_url → https://api.datallmlab.com/v1 and model → google/gemma-3-27b-it. Messages, streaming, tool calls and the rest of your code stay the same. Routing & failover guide.
Self-host or use the API?
Gemma 3 27B ships open weights (google/gemma-3-27b-it, ~962.3K downloads and 2.0K likes in the last 30 days), with community quantizations (bf16, fp8) for smaller GPUs, so you can run it yourself. Most teams still use the API: no GPU to provision or keep warm, no inference ops, and instant access across 5 providers with automatic failover. Self-host when data residency or fixed per-token economics matter most.
Rate limits & reliability
Rate limits here are the DataLLM Lab gateway's, not the upstream vendor's. On 429 (rate limited) or 503 (provider busy), retry with exponential backoff; because Gemma 3 27B is served by 5 providers, requests can fail over to a healthy one automatically. See the error-code guide and failover setup.
Related reading
Call Gemma 3 27B with one key
300+ models behind one OpenAI-compatible endpoint — better prices, better uptime, no subscriptions.
Get an API keyCompare pricingFrequently asked questions
What is Gemma 3 27B?
Gemma 3 introduces multimodality, supporting vision-language input and text outputs. It accepts text, image input with a 131K-token context window and was released on 2025-03-12. On DataLLM Lab it is callable through one OpenAI-compatible endpoint.
How much does Gemma 3 27B cost?
On DataLLM Lab it is $0.08 per 1M input tokens and $0.16 per 1M output tokens — cheaper than about 92% of the 309-model catalog on output price. Pay-as-you-go, no subscription.
What is the context window of Gemma 3 27B?
131K tokens, with up to 16K max output tokens.
Is Gemma 3 27B open source?
Yes — open weights are published on Hugging Face (google/gemma-3-27b-it), with about 962.3K downloads and 2.0K likes in the last 30 days. You can self-host it or call it via DataLLM Lab.
How do I call the Gemma 3 27B API?
Point any OpenAI SDK at https://api.datallmlab.com/v1 and set model to "google/gemma-3-27b-it". One DataLLM Lab key routes this model and 300+ others; no code changes beyond the base URL and model string.
What are good alternatives to Gemma 3 27B?
Close options by price and capability include Gemma 3 12B, Gemma 3n 4B, Gemma 3 4B — all callable with the same DataLLM Lab key.