Google: Gemini 3.8 Flash (batch)
google/gemini-3.8-flash:batch- Modalities
- text+image+file+audio+video->text
- In / out price
- $0.375 / $1.88
- Context
- 1M
- Released
- Sep 2, 2026
- Knowledge cutoff
- —
per 1M
Gemini 3.8 Flash is Google's most intelligent Flash model with significant gains from 3.7 Flash across software engineering, agentic tasks, and multi-step reasoning.
Supported parameters
include_reasoningInclude reasoning
Include a reasoning summary in the response.
max_tokensMax tokens
Upper bound on generated tokens. Output stops at the limit.
reasoningReasoning
Enable or configure reasoning. The fields differ by model.
reasoning_effortReasoning effort
How much compute to spend reasoning. Often low, medium, or high.
response_formatResponse format
For example json_object or json_schema, to constrain the shape.
seedSeed
A fixed seed helps reproduce sampling. It does not guarantee byte-identical output.
stopStop
Stop when these strings are produced. A string or an array of strings.
structured_outputsStructured outputs
Generate a parseable structure that follows a JSON Schema.
tool_choiceTool choice
Whether to call a tool: auto, none, or a named function.
toolsTools
Function definitions the model may call via tool_calls.