Skip to contentx402 is live on Robinhood Chain: agents can now pay for any model, per call, in USDG →
OmniRail
← All models

Google · Language model

Gemini 3.5 Flash

google/gemini-3.5-flash
  • Language
Released May 19, 2026

Gemini 3.5 Flash is Google's high-efficiency multimodal model, bringing near-Pro level coding and reasoning at Flash-tier cost and speed. It is highly optimized for coding proficiency and parallel agentic execution...

Specifications

Context window
1,048,576 tokens
Max output
65,536 tokens
Input
text, image, video, file, audio
Output
text
Reasoning effort
high, medium, low, minimal (always on)
Tokenizer
Gemini
Knowledge cutoff
2025-01-01

Supported parameters

Accepted by the model and forwarded as-is by the gateway.

  • max_tokens
  • reasoning
  • reasoning_effort
  • response_format
  • seed
  • stop
  • structured_outputs
  • temperature
  • tool_choice
  • tools
  • top_p

Use it

POST /api/v1/chat/completions · MCP chat · full reference

curl https://omnirail.org/api/v1/chat/completions \
  -H "Authorization: Bearer $OMNIRAIL_KEY" -H "Content-Type: application/json" \
  -d '{"model":"google/gemini-3.5-flash","messages":[{"role":"user","content":"Hello"}],"max_tokens":300}'