BYOK (Bring Your Own Key)
BYOK lets your workspace call models with your own provider credentials instead of Tembo-managed credentials.- Add keys in Settings -> Models -> API Keys.
- You can connect OpenAI, Anthropic, Cursor, Amp, and AWS Bedrock credentials.
- Tembo still handles orchestration, session context, sandbox execution, and PR automation.
Switch a model between BYOK and Tembo Managed Inference
Workspace admins can change the inference provider for individual models from Settings -> Models. In Available Models, click the model you want to configure. The row expands and shows a Provider dropdown where you can choose BYOK or Tembo Managed Inference, when those options are available for that model and workspace.
Bedrock BYOK support
Tembo supports BYOK with Amazon Bedrock. To enable it, add:- AWS Access Key ID
- AWS Secret Access Key
- AWS Region

Supported models
The table below reflects the models currently supported by Tembo.| Model | Model ID | Provider | BYOK Required |
|---|---|---|---|
| Fable 5 | claude-fable-5 | Anthropic | No |
| Opus 4.8 | claude-opus-4-8 | Anthropic | No |
| Opus 4.7 | claude-opus-4-7 | Anthropic | No |
| Opus 4.6 | claude-opus-4-6 | Anthropic | No |
| Sonnet 4.6 | claude-sonnet-4-6 | Anthropic | No |
| Opus 4.5 | claude-opus-4-5 | Anthropic | No |
| Haiku 4.5 | claude-4-5-haiku | Anthropic | No |
| GPT-5.5 | gpt-5.5 | OpenAI | Yes |
| GPT-5.4 | gpt-5.4 | OpenAI | Yes |
| GPT-5.4 Mini | gpt-5.4-mini | OpenAI | No |
| GPT-5.4 Nano | gpt-5.4-nano | OpenAI | No |
| GPT-5.3 Codex | gpt-5.3-codex | OpenAI | No |
| GPT-5.3 Codex Spark | gpt-5.3-codex-spark | OpenAI | Yes |
| GPT-5.2 Codex | gpt-5.2-codex | OpenAI | No |
| GPT-5.2 | gpt-5.2 | OpenAI | Yes |
| GLM 5.1 | glm-5p1 | Z.ai | No |
| GLM 4.7 | zai-glm-4.7 | Z.ai | No |
| Composer 1.5 | composer-1.5 | Cursor | Yes |
| Composer 2 | composer-2 | Cursor | Yes |
| Composer 2 Fast | composer-2-fast | Cursor | Yes |
| Composer 2.5 | composer-2.5 | Cursor | Yes |
| Gemini 3.1 Pro | gemini-3.1-pro | No | |
| Gemini 3 Flash | gemini-3-flash | No | |
| Grok | grok | xAI | Yes |
| Kimi K2.6 | kimi-k2p6 | Fireworks | No |
| MiniMax M2.7 | minimax-m2p7 | MiniMax | No |
| DeepSeek V4 Pro | deepseek-v4-pro | DeepSeek | No |
| DeepSeek V4 Flash | deepseek-v4-flash | DeepSeek | No |
| Qwen 3 32B | qwen-3-32b | Qwen | No |
| Llama 3.3 70B | llama-3.3-70b | Meta | No |
Model availability can vary by agent and workspace configuration. If a model is disabled in your workspace, it will not appear in agent pickers until re-enabled.