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GPT-4.1

openai/gpt-4.1

Excels at instruction following and tool calling with broad knowledge across domains. 1M token context.

Specifications

Context Window 1M tokens
Max Output 32.8K tokens
Latency fast
Knowledge Cutoff Jun 2024
Training Data Jun 2024

Pricing

Input $2.00 per 1M tokens
Output $8.00 per 1M tokens

Capabilities

text Text generation and understanding
vision Image and visual input processing
tool use Function calling and tool integration

API Identifiers

Model ID openai/gpt-4.1
Provider API ID gpt-4.1

Usage via Multi-Router

curl https://api.multi-router.ai/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -H "x-mr-router-id: YOUR_ROUTER_ID" \
  -d '{
    "model": "openai/gpt-4.1",
    "messages": [
      {"role": "user", "content": "Hello!"}
    ]
  }'