deepcogito/cogito-v2.1-671b
Cogito v2.1 671B MoE represents one of the strongest open models globally, matching performance of frontier closed and open models. This model is trained using self play with reinforcement learning to reach state-of-the-...
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API details and access
Model Details
ProviderDeepcogito
TypeLlm
Model IDdeepcogito/cogito-v2.1-671b
Capabilities
InputText
OutputText
Context-
Max Output128,000
VisionNot supported
Function CallingNot supported
Access details
Chat CompletionsBase URLhttps://api.sandbase.ai
API Endpoint/v1/chat/completions
{
"model": "deepcogito/cogito-v2.1-671b",
"messages": [
{
"role": "user",
"content": "Hello"
}
],
"max_tokens": 512
}Pricing
Input$1.25 / 1M tokens
Output$1.25 / 1M tokens
Production endpoint
Send your first request
OpenAI-compatible endpoint with unified authentication and usage tracking.
POST
https://api.sandbase.ai/v1/chat/completionsModel ID
deepcogito/cogito-v2.1-671b01
Input Schema
10 parameters · 1 required · 9 optional
| Parameter | Type | Required | Description |
|---|---|---|---|
messages | object[] | Required | — |
stop | string[] | Optional | — |
top_k | integer | Optional | Min: 0 |
top_p | number | Optional | Min: 0 · Max: 1 |
stream | boolean | Optional | Default: false |
max_tokens | integer | Optional | Max: 128000 |
temperature | number | Optional | Min: 0 · Max: 2 · Default: 1 |
response_format | object | Optional | — |
presence_penalty | number | Optional | Min: -2 · Max: 2 |
frequency_penalty | number | Optional | Min: -2 · Max: 2 |
02
Output Schema
| Field | Type | Description |
|---|---|---|
id | string | Unique identifier for the completion |
object | string | Object type, e.g. "chat.completion" |
model | string | Model used for the completion |
choices | array | List of completion choices |
choices[].message.content | string | Generated text content |
choices[].finish_reason | string | Reason the generation stopped |
usage.prompt_tokens | integer | Number of tokens in the prompt |
usage.completion_tokens | integer | Number of tokens in the completion |
usage.total_tokens | integer | Total tokens used |
03
Code Examples
Ready-to-run snippets
curl https://api.sandbase.ai/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_API_KEY" \
-d '{
"model": "deepcogito/cogito-v2.1-671b",
"messages": [{"role": "user", "content": "Hello"}],
"temperature": 0.7,
"max_tokens": 2048,
"stream": true
}'