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Endpoints

OpenCode Zen

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://opencode.ai/zen/v1 models.dev, read
Authentication
Authorization: Bearer, with the key in OPENCODE_API_KEY models.dev, read
Structured output
Unknown
Tool calling
110 of 110 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 big-pickle with the model you want.

OpenCode

Put this in opencode.json in your project folder:

{
  "$schema": "https://opencode.ai/config.json",
  "provider": {
    "opencode": {
      "npm": "@ai-sdk/openai-compatible",
      "name": "OpenCode Zen",
      "options": {
        "baseURL": "https://opencode.ai/zen/v1",
        "apiKey": "{env:OPENCODE_API_KEY}"
      },
      "models": {
        "big-pickle": {
          "name": "big-pickle"
        }
      }
    }
  }
}
  • 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": {
    "opencode": {
      "baseUrl": "https://opencode.ai/zen/v1",
      "api": "openai-completions",
      "apiKey": "$OPENCODE_API_KEY",
      "models": [
        {
          "id": "big-pickle"
        }
      ]
    }
  }
}
  • The apiKey field can name an environment variable as $NAME.

From Pi documentation, read .

Codex

Codex speaks only the Responses API, and OpenCode Zen 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 OpenCode Zen 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
Big Pickle big-pickle0 USD0 USD200,000 older than 30 days
Claude Haiku 3.5 claude-3-5-haiku0.800 USD4.00 USD200,000 older than 30 days
Claude Fable 5 claude-fable-510.00 USD50.00 USD1,000,000 older than 30 days
Claude Fable 5.1 claude-fable-5-110.00 USD50.00 USD1,000,000
Claude Haiku 4.5 claude-haiku-4-51.00 USD5.00 USD200,000 older than 30 days
Claude Opus 4.1 claude-opus-4-115.00 USD75.00 USD200,000 older than 30 days
Claude Opus 4.5 claude-opus-4-55.00 USD25.00 USD200,000 older than 30 days
Claude Opus 4.6 claude-opus-4-65.00 USD25.00 USD1,000,000 older than 30 days
Claude Opus 4.7 claude-opus-4-75.00 USD25.00 USD1,000,000 older than 30 days
Claude Opus 4.8 claude-opus-4-85.00 USD25.00 USD1,000,000 older than 30 days
Claude Opus 5 claude-opus-55.00 USD25.00 USD1,000,000 older than 30 days
Claude Opus 5.5 claude-opus-5-54.00 USD20.00 USD1,000,000
Claude Sonnet 4 claude-sonnet-43.00 USD15.00 USD1,000,000 older than 30 days
Claude Sonnet 4.5 claude-sonnet-4-53.00 USD15.00 USD1,000,000 older than 30 days
Claude Sonnet 4.6 claude-sonnet-4-63.00 USD15.00 USD1,000,000 older than 30 days
Claude Sonnet 5 claude-sonnet-52.00 USD10.00 USD1,000,000 older than 30 days
DeepSeek V4 Flash deepseek-v4-flash0.140 USD0.280 USD1,000,000 older than 30 days
DeepSeek V4 Flash Free deepseek-v4-flash-free0 USD0 USD200,000 older than 30 days
DeepSeek V4 Flash Vision Exp deepseek-v4-flash-vision-exp0.140 USD0.280 USD1,000,000
DeepSeek V4 Pro deepseek-v4-pro1.74 USD3.84 USD1,000,000 older than 30 days
DeepSeek V4.1 Flash deepseek-v4.1-flash0.300 USD1.20 USD1,000,000
Gemini 3 Flash gemini-3-flash0.500 USD3.00 USD1,048,576 older than 30 days
Gemini 3 Pro gemini-3-pro2.00 USD12.00 USD1,048,576 older than 30 days
Gemini 3.1 Pro Preview gemini-3.1-pro2.00 USD12.00 USD1,048,576 older than 30 days
Gemini 3.5 Flash gemini-3.5-flash1.50 USD9.00 USD1,048,576 older than 30 days
Gemini 3.5 Flash Lite gemini-3.5-flash-lite0.300 USD2.50 USD1,048,576 older than 30 days
Gemini 3.6 Flash gemini-3.6-flash1.50 USD7.50 USD1,048,576 older than 30 days
Gemini 3.7 Flash gemini-3.7-flash1.50 USD7.50 USD1,048,576 older than 30 days
Gemini 3.8 Flash gemini-3.8-flash1.50 USD7.50 USD1,048,576
GLM-4.6 glm-4.60.600 USD2.20 USD204,800 older than 30 days
GLM-4.7 glm-4.70.600 USD2.20 USD204,800 older than 30 days
GLM-4.7 Free glm-4.7-free0 USD0 USD204,800 older than 30 days
GLM-5 glm-51.00 USD3.20 USD204,800 older than 30 days
GLM-5 Free glm-5-free0 USD0 USD204,800 older than 30 days
GLM-5.1 glm-5.11.40 USD4.40 USD204,800 older than 30 days
GLM-5.2 glm-5.21.40 USD4.40 USD1,000,000 older than 30 days
GLM-5.3 glm-5.31.40 USD4.40 USD1,000,000 older than 30 days
GLM-5.3-Flash glm-5.3-flash0.150 USD0.500 USD1,000,000
GPT-5 gpt-51.07 USD8.50 USD400,000 older than 30 days
GPT-5 Codex gpt-5-codex1.07 USD8.50 USD400,000 older than 30 days
GPT-5 Nano gpt-5-nano0.050 USD0.400 USD400,000 older than 30 days
GPT-5.1 gpt-5.11.07 USD8.50 USD400,000 older than 30 days
GPT-5.1 Codex gpt-5.1-codex1.07 USD8.50 USD400,000 older than 30 days
GPT-5.1 Codex Max gpt-5.1-codex-max1.25 USD10.00 USD400,000 older than 30 days
GPT-5.1 Codex Mini gpt-5.1-codex-mini0.250 USD2.00 USD400,000 older than 30 days
GPT-5.2 gpt-5.21.75 USD14.00 USD400,000 older than 30 days
GPT-5.2 Codex gpt-5.2-codex1.75 USD14.00 USD400,000 older than 30 days
GPT-5.3 Codex gpt-5.3-codex1.75 USD14.00 USD400,000 older than 30 days
GPT-5.3 Codex Spark gpt-5.3-codex-spark1.75 USD14.00 USD128,000 older than 30 days
GPT-5.4 gpt-5.42.50 USD15.00 USD1,050,000 older than 30 days
GPT-5.4 Mini gpt-5.4-mini0.750 USD4.50 USD400,000 older than 30 days
GPT-5.4 Nano gpt-5.4-nano0.200 USD1.25 USD400,000 older than 30 days
GPT-5.4 Pro gpt-5.4-pro30.00 USD180.00 USD1,050,000 older than 30 days
GPT-5.5 gpt-5.55.00 USD30.00 USD1,050,000 older than 30 days
GPT-5.5 Pro gpt-5.5-pro30.00 USD180.00 USD1,050,000 older than 30 days
GPT-5.6 Luna gpt-5.6-luna0.200 USD1.20 USD1,050,000 older than 30 days
GPT-5.6 Sol gpt-5.6-sol4.00 USD20.00 USD1,050,000 older than 30 days
GPT-5.6 Terra gpt-5.6-terra2.50 USD15.00 USD1,050,000 older than 30 days
GPT-6 Astra gpt-6-astra10.00 USD50.00 USD1,050,000
GPT-6 Luna gpt-6-luna0.100 USD0.500 USD1,050,000
GPT-6 Sol gpt-6-sol2.00 USD10.00 USD1,050,000
Grok 4.5 grok-4.52.00 USD6.00 USD500,000 older than 30 days
Grok 4.6 grok-4.62.00 USD6.00 USD500,000 older than 30 days
Grok 4.7 (30% Off) grok-4.71.40 USD4.20 USD500,000
Grok Build 0.1 grok-build-0.11.00 USD2.00 USD256,000 older than 30 days
Grok Code Fast 1 grok-code0 USD0 USD256,000 older than 30 days
Hy3 Free hy3-free0 USD0 USD190,000 older than 30 days
Hy3 preview Free hy3-preview-free0 USD0 USD256,000 older than 30 days
Kimi K2 kimi-k20.400 USD2.50 USD262,144 older than 30 days
Kimi K2 Thinking kimi-k2-thinking0.400 USD2.50 USD262,144 older than 30 days
Kimi K2.5 kimi-k2.50.600 USD3.00 USD262,144 older than 30 days
Kimi K2.5 Free kimi-k2.5-free0 USD0 USD262,144 older than 30 days
Kimi K2.6 kimi-k2.60.950 USD4.00 USD262,144 older than 30 days
Kimi K2.7 Code kimi-k2.7-code0.950 USD4.00 USD262,144 older than 30 days
Kimi K3 kimi-k33.00 USD15.00 USD1,048,576 older than 30 days
Laguna S 2.1 Free laguna-s-2.1-free0 USD0 USD256,000 older than 30 days
Ling 2.6 Flash Free ling-2.6-flash-free0 USD0 USD262,100 older than 30 days
Ling 3.0 Flash Fin Free ling-3.0-flash-fin-free0 USD0 USD262,144
Ling-3.0-flash Free ling-3.0-flash-free0 USD0 USD262,144 older than 30 days
Ling-3.0-tiny Free ling-3.0-tiny-free0 USD0 USD262,144 older than 30 days
LongCat-2.0 Free longcat-2.0-free0 USD0 USD1,000,000 older than 30 days
MiMo V2 Flash Free mimo-v2-flash-free0 USD0 USD262,144 older than 30 days
MiMo V2 Omni Free mimo-v2-omni-free0 USD0 USD262,144 older than 30 days
MiMo V2 Pro Free mimo-v2-pro-free0 USD0 USD1,048,576 older than 30 days
MiMo V2.5 Free mimo-v2.5-free0 USD0 USD200,000 older than 30 days
MiMo-V2.6-Flash Free mimo-v2.6-flash-free0 USD0 USD200,000
MiniMax-M2.1 minimax-m2.10.300 USD1.20 USD204,800 older than 30 days
MiniMax-M2.1 Free minimax-m2.1-free0 USD0 USD204,800 older than 30 days
MiniMax-M2.5 minimax-m2.50.300 USD1.20 USD204,800 older than 30 days
MiniMax-M2.5 Free minimax-m2.5-free0 USD0 USD204,800 older than 30 days
MiniMax-M2.7 minimax-m2.70.300 USD1.20 USD204,800 older than 30 days
MiniMax-M3 minimax-m30.300 USD1.20 USD512,000 older than 30 days
MiniMax-M3 Free minimax-m3-free0 USD0 USD200,000 older than 30 days
Muse Spark 1.2 muse-spark-1.21.25 USD4.25 USD1,048,576 older than 30 days
Muse Spark 1.2 Free muse-spark-1.2-contributor-free0 USD0 USD1,048,576 older than 30 days
Muse Spark 1.3 muse-spark-1.31.25 USD4.25 USD1,048,576
Muse Spark 1.3 Free muse-spark-1.3-contributor-free0 USD0 USD1,048,576
Nemotron 3 Super Free nemotron-3-super-free0 USD0 USD204,800 older than 30 days
Nemotron 3 Ultra Free nemotron-3-ultra-free0 USD0 USD1,000,000 older than 30 days
Nemotron 3.5 Lightning Free nemotron-3.5-lightning-free0 USD0 USD262,144 older than 30 days
North Mini Code Free north-mini-code-free0 USD0 USD256,000 older than 30 days
Qwen3 Coder qwen3-coder0.450 USD1.80 USD262,144 older than 30 days
Qwen3.5 Plus qwen3.5-plus0.200 USD1.20 USD262,144 older than 30 days
Qwen3.6 Plus qwen3.6-plus0.500 USD3.00 USD262,144 older than 30 days
Qwen3.6 Plus Free qwen3.6-plus-free0 USD0 USD262,144 older than 30 days
Qwen3.8 Flash qwen3.8-flash0.150 USD0.470 USD1,000,000
Ring 2.6 1T Free ring-2.6-1t-free0 USD0 USD262,000 older than 30 days
Space Bunny Free space-bunny-free0 USD0 USD1,048,576
Trinity Large Preview trinity-large-preview-free0 USD0 USD131,072 older than 30 days
Ox Alpha Free (Unlimited) x-preview-f-free0 USD0 USD1,000,000 older than 30 days

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