OpenAI
Use OpenAI models (GPT-4o, o1, embeddings) with Nexus.
The OpenAI provider connects to the OpenAI API for chat completions, streaming, embeddings, vision, and tool calling.
Installation01
import "github.com/xraph/nexus/providers/openai"
Quick Start02
provider := openai.New(os.Getenv("OPENAI_API_KEY"))
gw := nexus.New(
nexus.WithProvider(provider),
)
Options03
| Option | Description |
openai.WithBaseURL(url) | Override the API base URL (default: https://api.openai.com/v1) |
openai.WithOrgID(id) | Set the OpenAI-Organization header |
Capabilities04
| Capability | Supported |
| Chat | Yes |
| Streaming | Yes |
| Embeddings | Yes |
| Vision | Yes |
| Tools | Yes |
| Thinking | Yes (o-series models) |
Models05
| Model | Context | Max Output | Input Price | Output Price |
gpt-4o | 128K | 16,384 | $2.50/M | $10.00/M |
gpt-4o-mini | 128K | 16,384 | $0.15/M | $0.60/M |
gpt-4-turbo | 128K | 4,096 | $10.00/M | $30.00/M |
o1 | 200K | 100K | $15.00/M | $60.00/M |
o1-mini | 128K | 65,536 | $3.00/M | $12.00/M |
text-embedding-3-small | 8,191 | — | $0.02/M | — |
text-embedding-3-large | 8,191 | — | $0.13/M | — |