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ZenMux

A hosted service with its own key and prices. This page lists the addresses it answers, the facts its documentation states, and the setup of each harness.

Addresses and facts

  • OpenAI Chat Completions: https://zenmux.ai/api/v1 models.dev, read
Authentication
Authorization: Bearer, with the key in ZENMUX_API_KEY models.dev, read
Structured output
Unknown
Tool calling
118 of 122 listed models The share of this provider's models that models.dev records with tool calling. models.dev, read
Rate limits
Unknown
Prices
Unknown
Data retention
Unknown
Documentation
Read the page models.dev, read
Output limits Baltor recorded
Unknown

Harness setup

Replace anthropic/claude-3.5-haiku with the model you want.

OpenCode

Put this in opencode.json in your project folder:

{
  "$schema": "https://opencode.ai/config.json",
  "provider": {
    "zenmux": {
      "npm": "@ai-sdk/openai-compatible",
      "name": "ZenMux",
      "options": {
        "baseURL": "https://zenmux.ai/api/v1",
        "apiKey": "{env:ZENMUX_API_KEY}"
      },
      "models": {
        "anthropic/claude-3.5-haiku": {
          "name": "anthropic/claude-3.5-haiku"
        }
      }
    }
  }
}
  • OpenCode reads any OpenAI-compatible address through the @ai-sdk/openai-compatible package, and an address that speaks the Responses API through @ai-sdk/openai.

From OpenCode documentation, read .

Pi

Put this in ~/.pi/agent/models.json:

{
  "providers": {
    "zenmux": {
      "baseUrl": "https://zenmux.ai/api/v1",
      "api": "openai-completions",
      "apiKey": "$ZENMUX_API_KEY",
      "models": [
        {
          "id": "anthropic/claude-3.5-haiku"
        }
      ]
    }
  }
}
  • The apiKey field can name an environment variable as $NAME.

From Pi documentation, read .

Codex

Codex speaks only the Responses API, and ZenMux documents no Responses address. A gateway that offers one can sit in between.

  • Codex speaks the Responses API only: responses is the one supported wire API of a custom provider. Ollama and LM Studio are built in and start with --oss.

From Codex documentation, read .

Claude Code

Claude Code sends Anthropic Messages requests, and ZenMux documents no such address. A gateway that translates to that API can sit in between.

  • Claude Code sends Anthropic Messages requests to ANTHROPIC_BASE_URL. Anthropic says it does not support routing Claude Code to models other than Claude through any gateway, so some features may not work with another model.

From Claude Code documentation, read .

Models it lists

Prices in US dollars per million tokens, input and output, as models.dev, read records them.

ModelInputOutputContextAs of
Claude 3.5 Haiku anthropic/claude-3.5-haiku0.800 USD4.00 USD200,000 older than 30 days
Claude 3.7 Sonnet anthropic/claude-3.7-sonnet3.00 USD15.00 USD200,000 older than 30 days
Claude Fable 5 anthropic/claude-fable-510.00 USD50.00 USD1,000,000 older than 30 days
Claude Haiku 4.5 anthropic/claude-haiku-4.51.00 USD5.00 USD200,000 older than 30 days
Claude Opus 4 anthropic/claude-opus-415.00 USD75.00 USD200,000 older than 30 days
Claude Opus 4.1 anthropic/claude-opus-4.115.00 USD75.00 USD200,000 older than 30 days
Claude Opus 4.5 anthropic/claude-opus-4.55.00 USD25.00 USD200,000 older than 30 days
Claude Opus 4.6 anthropic/claude-opus-4.65.00 USD25.00 USD1,000,000 older than 30 days
Claude Opus 4.7 anthropic/claude-opus-4.75.00 USD25.00 USD1,000,000 older than 30 days
Claude Opus 4.8 anthropic/claude-opus-4.85.00 USD25.00 USD1,000,000 older than 30 days
Claude Sonnet 4 anthropic/claude-sonnet-43.00 USD15.00 USD1,000,000 older than 30 days
Claude Sonnet 4.5 anthropic/claude-sonnet-4.53.00 USD15.00 USD1,000,000 older than 30 days
Claude Sonnet 4.6 anthropic/claude-sonnet-4.63.00 USD15.00 USD1,000,000 older than 30 days
Claude Sonnet 5 anthropic/claude-sonnet-52.00 USD10.00 USD1,000,000 older than 30 days
Claude Sonnet 5 (Free) anthropic/claude-sonnet-5-free0 USD0 USD1,000,000 older than 30 days
ERNIE 5.0 baidu/ernie-5.0-thinking-preview0.840 USD3.37 USD128,000 older than 30 days
DeepSeek-V3.2 (Non-thinking Mode) deepseek/deepseek-chat0.280 USD0.420 USD128,000 older than 30 days
DeepSeek V3.2 deepseek/deepseek-v3.20.280 USD0.430 USD128,000 older than 30 days
DeepSeek-V3.2-Exp deepseek/deepseek-v3.2-exp0.220 USD0.330 USD163,000 older than 30 days
DeepSeek V4 Flash deepseek/deepseek-v4-flash0.140 USD0.280 USD1,000,000 older than 30 days
DeepSeek V4 Pro deepseek/deepseek-v4-pro0.435 USD0.870 USD1,000,000 older than 30 days
Gemini 2.5 Flash google/gemini-2.5-flash0.300 USD2.50 USD1,048,000 older than 30 days
Gemini 2.5 Flash Lite google/gemini-2.5-flash-lite0.100 USD0.400 USD1,048,000 older than 30 days
Gemini 2.5 Pro google/gemini-2.5-pro1.25 USD10.00 USD1,048,000 older than 30 days
Gemini 3 Flash Preview google/gemini-3-flash-preview0.500 USD3.00 USD1,048,000 older than 30 days
Gemini 3.1 Flash Lite google/gemini-3.1-flash-lite0.250 USD1.50 USD1,048,576 older than 30 days
Gemini 3.1 Flash Lite Preview google/gemini-3.1-flash-lite-preview0.250 USD1.50 USD1,050,000 older than 30 days
Gemini 3.1 Pro Preview google/gemini-3.1-pro-preview2.00 USD12.00 USD1,048,000 older than 30 days
Gemini 3.5 Flash google/gemini-3.5-flash1.50 USD9.00 USD1,048,576 older than 30 days
Ling-1T inclusionai/ling-1t0.560 USD2.24 USD128,000 older than 30 days
Ring-1T inclusionai/ring-1t0.560 USD2.24 USD128,000 older than 30 days
inclusionAI: Ring-2.6-1T inclusionai/ring-2.6-1t0.300 USD2.50 USD262,000 older than 30 days
KAT-Coder-Pro-V2 kuaishou/kat-coder-pro-v20.300 USD1.20 USD256,000 older than 30 days
MiniMax M2 minimax/minimax-m20.300 USD1.20 USD204,000 older than 30 days
MiniMax M2.1 minimax/minimax-m2.10.300 USD1.20 USD204,000 older than 30 days
MiniMax M2.5 minimax/minimax-m2.50.300 USD1.20 USD204,800 older than 30 days
MiniMax M2.5 highspeed minimax/minimax-m2.5-lightning0.600 USD4.80 USD204,800 older than 30 days
MiniMax M2.7 minimax/minimax-m2.70.305 USD1.22 USD204,800 older than 30 days
MiniMax M2.7 highspeed minimax/minimax-m2.7-highspeed0.611 USD2.44 USD204,800 older than 30 days
MiniMax-M3 minimax/minimax-m30.600 USD2.40 USD1,048,576 older than 30 days
Kimi K2 0905 moonshotai/kimi-k2-09050.600 USD2.50 USD262,000 older than 30 days
Kimi K2 Thinking moonshotai/kimi-k2-thinking0.600 USD2.50 USD262,000 older than 30 days
Kimi K2 Thinking Turbo moonshotai/kimi-k2-thinking-turbo1.15 USD8.00 USD262,000 older than 30 days
Kimi K2.5 moonshotai/kimi-k2.50.580 USD3.02 USD262,000 older than 30 days
Kimi K2.6 moonshotai/kimi-k2.60.950 USD4.00 USD262,140 older than 30 days
Kimi K2.7 Code moonshotai/kimi-k2.7-code0.950 USD4.00 USD262,144 older than 30 days
Kimi K2.7 Code (Free) moonshotai/kimi-k2.7-code-free0 USD0 USD262,144 older than 30 days
Kimi K3 moonshotai/kimi-k33.00 USD15.00 USD1,048,576 older than 30 days
Kimi K3 (Free) moonshotai/kimi-k3-free0 USD0 USD1,048,576 older than 30 days
GPT-5 openai/gpt-51.25 USD10.00 USD400,000 older than 30 days
GPT-5 Codex openai/gpt-5-codex1.25 USD10.00 USD400,000 older than 30 days
GPT-5.1 openai/gpt-5.11.25 USD10.00 USD400,000 older than 30 days
GPT-5.1 Chat openai/gpt-5.1-chat1.25 USD10.00 USD128,000 older than 30 days
GPT-5.1-Codex openai/gpt-5.1-codex1.25 USD10.00 USD400,000 older than 30 days
GPT-5.1-Codex-Mini openai/gpt-5.1-codex-mini0.250 USD2.00 USD400,000 older than 30 days
GPT-5.2 openai/gpt-5.21.75 USD14.00 USD400,000 older than 30 days
GPT-5.2-Codex openai/gpt-5.2-codex1.75 USD14.00 USD400,000 older than 30 days
GPT-5.2-Pro openai/gpt-5.2-pro21.00 USD168.00 USD400,000 older than 30 days
GPT-5.3 Chat openai/gpt-5.3-chat1.75 USD14.00 USD128,000 older than 30 days
GPT-5.3 Codex openai/gpt-5.3-codex1.75 USD14.00 USD400,000 older than 30 days
GPT-5.4 openai/gpt-5.43.75 USD18.75 USD1,050,000 older than 30 days
GPT-5.4 Mini openai/gpt-5.4-mini0.750 USD4.50 USD400,000 older than 30 days
GPT-5.4 Nano openai/gpt-5.4-nano0.200 USD1.25 USD400,000 older than 30 days
GPT-5.4 Pro openai/gpt-5.4-pro45.00 USD225.00 USD1,050,000 older than 30 days
GPT-5.5 openai/gpt-5.55.00 USD30.00 USD1,050,000 older than 30 days
GPT-5.5 Instant openai/gpt-5.5-instant5.00 USD30.00 USD400,000 older than 30 days
GPT-5.5 Pro openai/gpt-5.5-pro30.00 USD180.00 USD1,050,000 older than 30 days
GPT-5.6 Luna openai/gpt-5.6-luna1.00 USD6.00 USD1,050,000 older than 30 days
GPT-5.6 Sol openai/gpt-5.6-sol5.00 USD30.00 USD1,050,000 older than 30 days
GPT-5.6 Terra openai/gpt-5.6-terra2.50 USD15.00 USD1,050,000 older than 30 days
Qwen3-Coder-Plus qwen/qwen3-coder-plus1.00 USD5.00 USD1,000,000 older than 30 days
Qwen3-Max-Thinking qwen/qwen3-max1.20 USD6.00 USD256,000 older than 30 days
Qwen3.5 Flash qwen/qwen3.5-flash0.100 USD0.400 USD1,020,000 older than 30 days
Qwen3.5 Plus qwen/qwen3.5-plus0.800 USD4.80 USD1,000,000 older than 30 days
Qwen3.6-Plus qwen/qwen3.6-plus0.500 USD3.00 USD1,000,000 older than 30 days
Qwen3.7 Max qwen/qwen3.7-max2.50 USD7.50 USD1,000,000 older than 30 days
Qwen3.7 Plus qwen/qwen3.7-plus0.400 USD1.60 USD1,000,000 older than 30 days
Agnes 1.5 Lite sapiens-ai/agnes-1.5-lite0.120 USD0.600 USD256,000 older than 30 days
Agnes 1.5 Pro sapiens-ai/agnes-1.5-pro0.160 USD0.800 USD256,000 older than 30 days
Step-3 stepfun/step-30.210 USD0.570 USD65,536 older than 30 days
Step 3.5 Flash stepfun/step-3.5-flash0.100 USD0.300 USD256,000 older than 30 days
Step 3.7 Flash stepfun/step-3.7-flash0.200 USD1.15 USD256,000 older than 30 days
Step 3.7 Flash (Free) stepfun/step-3.7-flash-free0 USD0 USD256,000 older than 30 days
Hy3 preview tencent/hy3-preview0.172 USD0.572 USD256,000 older than 30 days
Doubao-Seed-1.8 volcengine/doubao-seed-1.80.110 USD0.280 USD256,000 older than 30 days
Doubao Seed 2.0 Code volcengine/doubao-seed-2.0-code0.900 USD4.48 USD256,000 older than 30 days
Doubao-Seed-2.0-lite volcengine/doubao-seed-2.0-lite0.090 USD0.510 USD256,000 older than 30 days
Doubao-Seed-2.0-mini volcengine/doubao-seed-2.0-mini0.030 USD0.280 USD256,000 older than 30 days
Doubao-Seed-2.0-pro volcengine/doubao-seed-2.0-pro0.450 USD2.24 USD256,000 older than 30 days
Doubao-Seed-Code volcengine/doubao-seed-code0.170 USD1.12 USD256,000 older than 30 days
Grok 4.2 Fast x-ai/grok-4.2-fast2.00 USD6.00 USD2,000,000 older than 30 days
Grok 4.2 Fast Non Reasoning x-ai/grok-4.2-fast-non-reasoning2.00 USD6.00 USD2,000,000 older than 30 days
Grok 4.3 x-ai/grok-4.31.25 USD2.50 USD1,000,000 older than 30 days
Grok 4.5 x-ai/grok-4.52.00 USD6.00 USD500,000 older than 30 days
Grok 4.6 x-ai/grok-4.62.00 USD6.00 USD500,000 older than 30 days
Grok Build 0.1 x-ai/grok-build-0.11.00 USD2.00 USD256,000 older than 30 days
Grok Imagine Image 2.0 x-ai/grok-imagine-image-2.0UnknownUnknown66,000
Grok Voice STT 1.0 x-ai/grok-voice-stt-1.0UnknownUnknown15,000
Grok Voice TTS 1.0 x-ai/grok-voice-tts-1.0UnknownUnknown15,000
MiMo-V2-Flash xiaomi/mimo-v2-flash0.100 USD0.300 USD262,144 older than 30 days
MiMo V2 Omni xiaomi/mimo-v2-omni0.400 USD2.00 USD265,000 older than 30 days
MiMo V2 Pro xiaomi/mimo-v2-pro1.00 USD3.00 USD1,000,000 older than 30 days
MiMo-V2.5 xiaomi/mimo-v2.50.400 USD2.00 USD1,048,576 older than 30 days
MiMo-V2.5-Pro xiaomi/mimo-v2.5-pro1.00 USD3.00 USD1,048,576 older than 30 days
GLM 4.5 z-ai/glm-4.50.291 USD1.16 USD128,000 older than 30 days
GLM 4.5 Air z-ai/glm-4.5-air0.117 USD0.291 USD128,000 older than 30 days
GLM 4.6 z-ai/glm-4.60.291 USD1.16 USD200,000 older than 30 days
GLM 4.6V z-ai/glm-4.6v0.146 USD0.437 USD200,000 older than 30 days
GLM 4.6V FlashX z-ai/glm-4.6v-flash0.022 USD0.218 USD200,000 older than 30 days
GLM 4.6V Flash (Free) z-ai/glm-4.6v-flash-free0 USD0 USD200,000 older than 30 days
GLM 4.7 z-ai/glm-4.70.291 USD1.16 USD200,000 older than 30 days
GLM 4.7 Flash (Free) z-ai/glm-4.7-flash-free0 USD0 USD200,000 older than 30 days
GLM 4.7 FlashX z-ai/glm-4.7-flashx0.073 USD0.437 USD200,000 older than 30 days
GLM 5 z-ai/glm-50.580 USD2.60 USD200,000 older than 30 days
GLM 5 Turbo z-ai/glm-5-turbo0.730 USD3.19 USD200,000 older than 30 days
GLM 5.1 z-ai/glm-5.10.878 USD3.51 USD200,000 older than 30 days
GLM 5.2 z-ai/glm-5.20.980 USD3.08 USD1,000,000 older than 30 days
GLM 5.3 z-ai/glm-5.31.40 USD4.40 USD1,000,000 older than 30 days
GLM 5.3 Flash z-ai/glm-5.3-flash0.150 USD0.500 USD1,000,000
GLM 5.3 FlashX z-ai/glm-5.3-flashx0.375 USD1.25 USD1,000,000
GLM 5V Turbo z-ai/glm-5v-turbo0.726 USD3.19 USD200,000 older than 30 days
GLM-Image z-ai/glm-imageUnknownUnknown10,240

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