CBORG Model Mappings - October 29, 2025

Summary

This document shows what each :latest model alias maps to in the CBORG API.

Key Findings

:latest and base models are IDENTICAL - Using lbl/cborg-chat or lbl/cborg-chat:latest gives you the exact same underlying model
You can see the actual model version by checking the response.model field after making a request
The "raw" model names show the actual provider-specific version strings

Model Mappings

LBL CBORG Models (Local/Custom)

Alias	Underlying Model
`lbl/cborg-chat` / `lbl/cborg-chat:latest`	`hosted_vllm/hosted_vllm/Llama-4-Scout-17B-16E-Instruct-FP8`
`lbl/cborg-coder` / `lbl/cborg-coder:latest`	`hosted_vllm/hosted_vllm/gpt-oss-120b`
`lbl/cborg-deepthought` / `lbl/cborg-deepthought:latest`	`hosted_vllm/hosted_vllm/gpt-oss-120b`
`lbl/cborg-mini` / `lbl/cborg-mini:latest`	`ollama/gpt-oss:20b`
`lbl/cborg-vision` / `lbl/cborg-vision:latest`	`hosted_vllm/hosted_vllm/Llama-4-Scout-17B-16E-Instruct-FP8`

Note: lbl/cborg-coder and lbl/cborg-deepthought map to the same base model!

Anthropic Claude Models (via AWS Bedrock)

Alias	Underlying Model
`anthropic/claude-haiku` / `anthropic/claude-haiku:latest`	`claude-haiku-4-5@20251001`
`anthropic/claude-opus` / `anthropic/claude-opus:latest`	`us.anthropic.claude-opus-4-1-20250805-v1:0`
`anthropic/claude-sonnet` / `anthropic/claude-sonnet:latest`	`claude-sonnet-4-5@20250929`
`anthropic/claude` / `anthropic/claude:latest`	`claude-sonnet-4-5@20250929` (same as sonnet)
`aws/claude-haiku` / `aws/claude-haiku:latest`	`us.anthropic.claude-haiku-4-5-20251001-v1:0`
`aws/claude` / `aws/claude:latest`	`us.anthropic.claude-sonnet-4-5-20250929-v1:0`

Version Dates:

Haiku: October 1, 2025
Opus: August 5, 2025
Sonnet: September 29, 2025

Google Gemini Models

Alias	Underlying Model
`google/gemini` / `google/gemini:latest`	`gemini-2.5-pro`

OpenAI Models

Alias	Underlying Model
`openai/chatgpt:latest`	`gpt-5-2025-08-07` (August 7, 2025)
`openai/o:latest`	`azure/o3-2025-04-16` (April 16, 2025 via Azure)

xAI Grok Models

Alias	Underlying Model
`xai/grok:latest`	`grok-3`

How to Check Model Versions Yourself

from openai import OpenAI
import os

client = OpenAI(
    api_key=os.environ['CBORG_API_KEY'],
    base_url="https://api.cborg.lbl.gov"
)

response = client.chat.completions.create(
    model="lbl/cborg-chat:latest",  # or any other model
    messages=[{"role": "user", "content": "Hi"}],
    max_tokens=5
)

print(f"Requested: lbl/cborg-chat:latest")
print(f"Actual: {response.model}")

Scripts Available

list_cborg_models.py - List all available models (with attempted detail retrieval)
test_model_info.py - Test a specific model and see detailed information
```
python test_model_info.py "lbl/cborg-chat:latest"
```
map_latest_models.py - Map all :latest models to their underlying versions

Important Notes

The :latest suffix is optional - Both lbl/cborg-chat and lbl/cborg-chat:latest are identical
Version information is in the response - You must make an API call to see the underlying model
Some models share backends - lbl/cborg-coder and lbl/cborg-deepthought both use gpt-oss-120b
Embedding models require different API calls - The nomic-embed-text models need the embeddings API, not chat completions

Provider-Specific Version Strings

The "raw" model names follow different conventions by provider:

AWS Bedrock (Anthropic): us.anthropic.claude-sonnet-4-5-20250929-v1:0
Google Vertex AI: gemini-2.5-pro
Azure OpenAI: azure/o3-2025-04-16
Native OpenAI: gpt-5-2025-08-07
Local vLLM: hosted_vllm/hosted_vllm/Llama-4-Scout-17B-16E-Instruct-FP8
Ollama: ollama/gpt-oss:20b