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Synthetic

Synthetic exposes Anthropic-compatible endpoints. Clawdbot registers it as the synthetic provider and uses the Anthropic Messages API.

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Quick setup

  1. Set SYNTHETIC_API_KEY (or run the wizard below).
  2. Run onboarding:
clawdbot onboard --auth-choice synthetic-api-key
The default model is set to: 
synthetic/hf:MiniMaxAI/MiniMax-M2.1

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Config example

{
  env: { SYNTHETIC_API_KEY: "sk-..." },
  agents: {
    defaults: {
      model: { primary: "synthetic/hf:MiniMaxAI/MiniMax-M2.1" },
      models: { "synthetic/hf:MiniMaxAI/MiniMax-M2.1": { alias: "MiniMax M2.1" } }
    }
  },
  models: {
    mode: "merge",
    providers: {
      synthetic: {
        baseUrl: "https://api.synthetic.new/anthropic",
        apiKey: "${SYNTHETIC_API_KEY}",
        api: "anthropic-messages",
        models: [
          {
            id: "hf:MiniMaxAI/MiniMax-M2.1",
            name: "MiniMax M2.1",
            reasoning: false,
            input: ["text"],
            cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
            contextWindow: 192000,
            maxTokens: 65536
          }
        ]
      }
    }
  }
}
Note: Clawdbot’s Anthropic client appends /v1 to the base URL, so use https://api.synthetic.new/anthropic (not /anthropic/v1). If Synthetic changes its base URL, override models.providers.synthetic.baseUrl.

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Model catalog

All models below use cost 0 (input/output/cache).
Model IDContext windowMax tokensReasoningInput
hf:MiniMaxAI/MiniMax-M2.119200065536falsetext
hf:moonshotai/Kimi-K2-Thinking2560008192truetext
hf:zai-org/GLM-4.7198000128000falsetext
hf:deepseek-ai/DeepSeek-R1-05281280008192falsetext
hf:deepseek-ai/DeepSeek-V3-03241280008192falsetext
hf:deepseek-ai/DeepSeek-V3.11280008192falsetext
hf:deepseek-ai/DeepSeek-V3.1-Terminus1280008192falsetext
hf:deepseek-ai/DeepSeek-V3.21590008192falsetext
hf:meta-llama/Llama-3.3-70B-Instruct1280008192falsetext
hf:meta-llama/Llama-4-Maverick-17B-128E-Instruct-FP85240008192falsetext
hf:moonshotai/Kimi-K2-Instruct-09052560008192falsetext
hf:openai/gpt-oss-120b1280008192falsetext
hf:Qwen/Qwen3-235B-A22B-Instruct-25072560008192falsetext
hf:Qwen/Qwen3-Coder-480B-A35B-Instruct2560008192falsetext
hf:Qwen/Qwen3-VL-235B-A22B-Instruct2500008192falsetext + image
hf:zai-org/GLM-4.5128000128000falsetext
hf:zai-org/GLM-4.6198000128000falsetext
hf:deepseek-ai/DeepSeek-V31280008192falsetext
hf:Qwen/Qwen3-235B-A22B-Thinking-25072560008192truetext

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Notes

  • Model refs use synthetic/<modelId>.
  • If you enable a model allowlist (agents.defaults.models), add every model you plan to use.
  • See Model providers for provider rules.