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Abacus

DeepSeek V3.1 Terminus API

Abacus
About

Build advanced reasoning agents with DeepSeek V3.1 Terminus, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $0.27/1M input and $1.00/1M output tokens, native tool calling support, open weights architecture. Access DeepSeek V3.1 Terminus via the Abacus API with up to 8K output tokens.

Capabilities

Input Modalities

text

Output Modalities

text
Reasoning
Yes
Structured Output
No
Tool Use
Yes
WeightsOpen
Temperature
Adjustable
Attachment
Not Supported
Limits
Context Window
128K

Tokens

Input Limit
128K

Tokens

Max Output
8K

Tokens

Pricing

Standard (per 1M tokens)

Input
$0.27
Output
$1.00
Frequently Asked Questions

DeepSeek V3.1 Terminus by Abacus costs $0.27 per 1M input tokens and $1.00 per 1M output tokens.

Model Details
ID
deepseek-ai/DeepSeek-V3.1-Terminus
Provider
Abacus
Family
deepseek
Release Date
Jun 1, 2025
Knowledge Cutoff
N/A
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
ABACUS_API_KEY
API Base URL
https://routellm.abacus.ai/v1
Documentation