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POST
Gemini Chat Completions

Authorizations

Authorization
string
header
required

Headers

accept
enum<string>

Gemini Chat Completions Param Accept

Available options:
application/json,
text/event-stream

Body

application/json
model
enum<string>
required

Gemini Chat Completions Model

Available options:
gemini-3.7-flash,
gemini-3.6-flash,
gemini-3.5-flash,
gemini-3.5-flash-lite,
gemini-3.1-flash-lite,
gemini-3.1-pro-preview,
gemini-3-flash-preview,
gemini-2.5-pro,
gemini-2.5-flash,
gemini-2.5-flash-lite
Example:

"gemini-3.1-pro-preview"

messages
object[]
required

Gemini Chat Completions Messages 4

Minimum array length: 1
n
number | null
default:1

Gemini Chat Completions N

Required range: 1 <= x <= 128
Example:

1

stream
boolean | null
default:false

Gemini Chat Completions Stream

max_tokens
number | null

Gemini Chat Completions Max Tokens

temperature
number | null
default:1

Gemini Chat Completions Temperature

Required range: 0 <= x <= 2
Example:

1

response_format
object

Gemini Chat Completions Response Format 4

top_p
number | null
default:1

Gemini Chat Completions Top P

Required range: 0 <= x <= 1
Example:

1

frequency_penalty
number | null
default:0

Gemini Chat Completions Frequency Penalty

Required range: -2 <= x <= 2
Example:

0

presence_penalty
number | null
default:0

Gemini Chat Completions Presence Penalty

Required range: -2 <= x <= 2
Example:

0

seed
integer | null

Gemini Chat Completions Seed

stop

Gemini Chat Completions Stop 3

max_completion_tokens
integer | null

Gemini Chat Completions Max Completion Tokens

logprobs
boolean | null
default:false

Gemini Chat Completions Logprobs

top_logprobs
integer | null

Gemini Chat Completions Top Logprobs

Required range: 0 <= x <= 20
stream_options
object | null

Gemini Chat Completions Stream Options

parallel_tool_calls
boolean
default:true

Gemini Chat Completions Parallel Tool Calls

user
string

Gemini Chat Completions User

reasoning_effort
enum<string> | null
default:medium

Gemini Chat Completions Reasoning Effort

Available options:
minimal,
low,
medium,
high
service_tier
enum<string> | null
default:auto

Gemini Chat Completions Service Tier

Available options:
auto,
default,
flex,
scale,
priority
store
boolean | null
default:false

Gemini Chat Completions Store

metadata
object | null

Gemini Chat Completions Metadata

logit_bias
object | null

Gemini Chat Completions Logit Bias

modalities
enum<string>[] | null

Gemini Chat Completions Modalities

Available options:
text,
audio
audio
object | null

Gemini Chat Completions Audio

prediction
object | null

Gemini Chat Completions Prediction 3

web_search_options
object

Gemini Chat Completions Web Search Options

tools
object[] | null

Gemini Chat Completions Tools

tool_choice

Gemini Chat Completions Tool Choice 3

Available options:
none,
auto,
required

Response

Gemini Chat Completions Response Description

Gemini Chat Completions Response 200

id
string
required

Gemini Chat Completions Response 200 Id

model
string
required

Gemini Chat Completions Response 200 Model

object
enum<string>
required

Gemini Chat Completions Response 200 Object

Available options:
chat.completion
choices
object[]
required

Gemini Chat Completions Response 200 Choices

created
number
required

Gemini Chat Completions Response 200 Created

system_fingerprint
string

Gemini Chat Completions Response 200 System Fingerprint

usage
object

Gemini Chat Completions Response 200 Usage