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Gemini 3.6 Flash

googlegoogle/gemini-3.6-flash

API guide

Chat completion

Standard OpenAI-compatible chat completion. Thinking is enabled upstream by default and its tokens are billed as output.

cURL
curl https://api.therouter.ai/v1/chat/completions \
  -H "Authorization: Bearer $THEROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"google/gemini-3.6-flash","messages":[{"role":"user","content":"Summarise this repo diff"}]}'

Function calling

Function calling and structured outputs are supported upstream and map onto the OpenAI tools schema unchanged.

cURL
curl https://api.therouter.ai/v1/chat/completions \
  -H "Authorization: Bearer $THEROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "google/gemini-3.6-flash",
    "messages": [{"role":"user","content":"What is the build status?"}],
    "tools": [{"type":"function","function":{"name":"get_build_status","parameters":{"type":"object","properties":{"branch":{"type":"string"}},"required":["branch"]}}}]
  }'
Fact ledger β€” every claim on this page traces here
sourceURLretrieved
Release datedeepmind.google β†—2026-07-28verified
Knowledge cutoffdeepmind.google β†—2026-07-28verified
Input token limitai.google.dev β†—2026-07-28verified
Output token limitai.google.dev β†—2026-07-28verified
Native modalities (upstream)ai.google.dev β†—2026-07-28verified
Supported capabilitiesai.google.dev β†—2026-07-28verified
Not supported upstreamai.google.dev β†—2026-07-28verified
Vendor list price (Standard tier)ai.google.dev β†—2026-07-28verified
Output token efficiencydeepmind.google β†—2026-07-28to verify
SWE-Bench Prodeepmind.google β†—2026-07-28verified
Terminal-bench 2.1deepmind.google β†—2026-07-28verified
DeepSWE v1.1deepmind.google β†—2026-07-28verified
MLE-Benchdeepmind.google β†—2026-07-28verified
OSWorld-Verifieddeepmind.google β†—2026-07-28verified
CharXiv (no tools)deepmind.google β†—2026-07-28verified
GDM-MRCR v2 (128k)deepmind.google β†—2026-07-28verified
GDM-MRCR v2 (1M)deepmind.google β†—2026-07-28verified
GDPval-AA v2deepmind.google β†—2026-07-28verified
Google ships Gemini 3.6 Flash and 3.5 Flash-Liteblog.google β†—2026-07-28verified
How does Gemini 3.6 Flash compare to Gemini 3.5 Flash?deepmind.google β†—2026-07-28to verify
Can it generate images or audio?ai.google.dev β†—2026-07-28to verify
Why is my completion_tokens count higher than the text I received?ai.google.dev β†—2026-07-28to verify
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