Documentation Index Fetch the complete documentation index at: https://lava.so/docs/llms.txt
Use this file to discover all available pages before exploring further.
OpenAI offers 79 models through Lava’s AI Gateway, supporting Chat Completions, Embeddings, Text to Speech, Transcription, Image Generation. Authentication uses Authorization: Bearer. See the OpenAI API docs for provider-specific parameters.
Supports both managed (Lava’s API keys) and unmanaged (bring your own credentials) mode.
Quick Start const response = await fetch ( 'https://api.lava.so/v1/forward?u=https%3A%2F%2Fapi.openai.com%2Fv1%2Fchat%2Fcompletions' , { method: 'POST' , headers: { 'Content-Type' : 'application/json' , Authorization: `Bearer ${ forwardToken } ` , }, body: JSON . stringify ({ model: 'gpt-5.4-mini' , messages: [{ role: "user" , content: "Hello!" }], }), });
Chat Completions Target URL: https://api.openai.com/v1/chat/completionsContent Type application/jsonStreaming Yes (set stream: true in request body)
Model Input / 1M tokens Output / 1M tokens o1-pro $150.00 $600.00 o1-pro-2025-03-19 $150.00 $600.00 gpt-5.4-pro $30.00 $180.00 gpt-4 $30.00 $60.00 gpt-4-0613 $30.00 $60.00 gpt-5.2-pro $21.00 $168.00 o3-pro $20.00 $80.00 o3-pro-2025-06-10 $20.00 $80.00 gpt-5-pro $15.00 $120.00 o1 $15.00 $60.00 o1-2024-12-17 $15.00 $60.00 o3-deep-research $10.00 $40.00 gpt-4-turbo $10.00 $30.00 gpt-4-turbo-2024-04-09 $10.00 $30.00 gpt-4-0125-preview $10.00 $30.00 gpt-4-1106-preview $10.00 $30.00 gpt-4o-2024-05-13 $5.00 $15.00 computer-use-preview $3.00 $12.00 computer-use-preview-2025-03-11 $3.00 $12.00 gpt-5.4 $2.50 $15.00 gpt-5.4-codex $2.50 $15.00 gpt-4o $2.50 $10.00 gpt-4o-2024-11-20 $2.50 $10.00 gpt-4o-2024-08-06 $2.50 $10.00 gpt-4o-search-preview $2.50 $10.00 gpt-4o-search-preview-2025-03-11 $2.50 $10.00 gpt-4.1 $2.00 $8.00 gpt-4.1-2025-04-14 $2.00 $8.00 o3 $2.00 $8.00 o3-2025-04-16 $2.00 $8.00 o4-mini-deep-research $2.00 $8.00 davinci-002 $2.00 $2.00 gpt-5.3-chat-latest $1.75 $14.00 gpt-5.3-codex $1.75 $14.00 gpt-5.2 $1.75 $14.00 gpt-5.2-chat-latest $1.75 $14.00 gpt-5.2-codex $1.75 $14.00 gpt-3.5-turbo-instruct $1.50 $2.00 gpt-5.1 $1.25 $10.00 gpt-5.1-codex $1.25 $10.00 gpt-5.1-codex-max $1.25 $10.00 gpt-5-codex $1.25 $10.00 gpt-5 $1.25 $10.00 gpt-5-2025-08-07 $1.25 $10.00 gpt-5-chat-latest $1.25 $10.00 gpt-5.1-chat-latest $1.25 $10.00 gpt-5-search-api $1.25 $10.00 o4-mini $1.10 $4.40 o4-mini-2025-04-16 $1.10 $4.40 o3-mini $1.10 $4.40 o3-mini-2025-01-31 $1.10 $4.40 gpt-3.5-turbo-1106 $1.00 $2.00 gpt-5.4-mini $0.75 $4.50 gpt-3.5-turbo $0.50 $1.50 gpt-3.5-turbo-0125 $0.50 $1.50 gpt-4.1-mini $0.40 $1.60 gpt-4.1-mini-2025-04-14 $0.40 $1.60 babbage-002 $0.40 $0.40 gpt-5.1-codex-mini $0.25 $2.00 gpt-5-mini $0.25 $2.00 gpt-5-mini-2025-08-07 $0.25 $2.00 gpt-5.4-nano $0.20 $1.25 gpt-4o-mini $0.15 $0.60 gpt-4o-mini-2024-07-18 $0.15 $0.60 gpt-4o-mini-search-preview $0.15 $0.60 gpt-4o-mini-search-preview-2025-03-11 $0.15 $0.60 gpt-4.1-nano $0.10 $0.40 gpt-4.1-nano-2025-04-14 $0.10 $0.40 gpt-5-nano $0.05 $0.40 gpt-5-nano-2025-08-07 $0.05 $0.40
Embeddings Target URL: https://api.openai.com/v1/embeddingsContent Type application/jsonStreaming No
Model Input / 1M tokens Output / 1M tokens text-embedding-3-large $0.13 Free text-embedding-ada-002 $0.10 Free text-embedding-3-small $0.02 Free
Text to Speech Target URL: https://api.openai.com/v1/audio/speechContent Type application/jsonStreaming No
Model Input / 1M chars Output / 1M chars tts-1-hd $30.00 Free tts-1 $15.00 Free
Transcription Target URL: https://api.openai.com/v1/audio/transcriptionsContent Type multipart/form-dataStreaming No
Model Input / minute Output / minute whisper-1 $0.006 Free
Image Generation Target URL: https://api.openai.com/v1/images/generationsContent Type application/jsonStreaming No
Model Input / 1M tokens Output / 1M tokens gpt-image-1 $5.00 Free dall-e-3 Free $0.04 dall-e-2 Free $0.02
Next Steps
All Providers Browse all supported AI providers
Forward Proxy Learn how to construct proxy URLs and authenticate requests
