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Synthetic

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Quick setup

1. Set SYNTHETIC_API_KEY (or run the wizard below).
2. Run onboarding:

fased onboard --auth-choice synthetic-api-key

synthetic/hf:MiniMaxAI/MiniMax-M2.5

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Config example

{
  env: { SYNTHETIC_API_KEY: "sk-..." },
  agents: {
    defaults: {
      model: { primary: "synthetic/hf:MiniMaxAI/MiniMax-M2.5" },
      models: { "synthetic/hf:MiniMaxAI/MiniMax-M2.5": { alias: "MiniMax M2.5" } },
    },
  },
  models: {
    mode: "merge",
    providers: {
      synthetic: {
        baseUrl: "https://api.synthetic.new/anthropic",
        apiKey: "${SYNTHETIC_API_KEY}",
        api: "anthropic-messages",
        models: [
          {
            id: "hf:MiniMaxAI/MiniMax-M2.5",
            name: "MiniMax M2.5",
            reasoning: false,
            input: ["text"],
            cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
            contextWindow: 191488,
            maxTokens: 65536,
          },
        ],
      },
    },
  },
}

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Model catalog

• hf:zai-org/GLM-5.1 — context 196608, reasoning, text
• hf:moonshotai/Kimi-K2.6 — context 262144, reasoning, text + image
• hf:MiniMaxAI/MiniMax-M2.5 — context 191488, text
• hf:zai-org/GLM-4.7-Flash — context 196608, text
• hf:zai-org/GLM-5 — context 196608, reasoning, text
• hf:zai-org/GLM-4.7 — context 202752, text

• hf:deepseek-ai/DeepSeek-V3.2 — context 159000, text
• hf:Qwen/Qwen3-Coder-480B-A35B-Instruct — context 256000, text
• hf:Qwen/Qwen3-235B-A22B-Thinking-2507 — context 256000, reasoning, text
• hf:Qwen/Qwen3.5-397B-A17B — context 256000, text
• hf:nvidia/Kimi-K2.5-NVFP4 — context 256000, text
• hf:nvidia/NVIDIA-Nemotron-3-Super-120B-A12B-NVFP4 — context 256000, text
• hf:openai/gpt-oss-120b — context 128000, text
• hf:meta-llama/Llama-3.3-70B-Instruct — context 128000, text
• hf:deepseek-ai/DeepSeek-R1-0528 — context 128000, reasoning, text
• hf:moonshotai/Kimi-K2.5 — context 262144, reasoning, text + image
• hf:deepseek-ai/DeepSeek-V3 — context 128000, text

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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.