Deep Research Preview (Apr-21-2026)
Deep Research Preview (Apr-21-2026) on Zumik: live pricing, context, and caching, routable by id or alias through one OpenAI-compatible endpoint.
At a glance.
| Provider | |
| Family | gemini |
| Released | — |
| License | Proprietary |
| Context window | 131K tokens |
| Max output | 66K tokens |
| Modalities | text, image |
| Tool calling | Yes |
| Reasoning mode | No |
| Caching | none |
| Batch discount | 50% off |
What reuse looks like here.
Pricing, context, and capabilities for Deep Research Preview (Apr-21-2026) are live, but it is outside the flagship set Zumik benchmarks in depth, so measured reuse, capture, and warm TTFT are not shown yet. Run a workload estimate or route it by id to start collecting traces.
Same OpenAI client, this model.
from openai import OpenAI
client = OpenAI(base_url="https://api.zumik.ai/v1", api_key="zk_live_...")
r = client.responses.create(
model="deep-research-preview-04-2026",
input="Draft a fix for the failing test.",
)
print(r.usage.input_tokens_cached) # confirm reuseDeep Research Preview (Apr-21-2026), answered.
How much does Deep Research Preview (Apr-21-2026) cost?
Deep Research Preview (Apr-21-2026) is an open-weights model routed through Google Gemini. It is priced on the host's serverless size tier rather than a single published per-token list price, so it shows "—" here until profiled.
What is Deep Research Preview (Apr-21-2026)'s context window?
Deep Research Preview (Apr-21-2026) supports a 131K-token context window with up to 66K output tokens.
Run Deep Research Preview (Apr-21-2026) with reuse measured.
Point an OpenAI client at Zumik and see exactly how much of this model's input you are reusing.