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Overview

Anannas provides access to models from multiple providers through a unified API. Models are identified by provider/model-name format.

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Model Endpoint

Query available models: 
GET https://api.anannas.ai/v1/models

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Response Format

{
  "data": [
    {
      "id": "openai/gpt-5-mini",
      "name": "GPT-5 Mini",
      "provider": "openai",
      "description": "Most capable GPT-5 Mini model",
      "context_length": 8192,
      "pricing": {
        "prompt": "0.00003",
        "completion": "0.00006",
        "request": "0"
      },
      "capabilities": [
        "text",
        "tool_calling",
        "json_mode"
      ]
    }
  ]
}

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Model Object Schema

FieldTypeDescription
idstringModel identifier (e.g., openai/gpt-5-mini)
namestringHuman-readable name
providerstringProvider identifier (openai, anthropic, etc.)
descriptionstringModel description
context_lengthnumberMaximum context window in tokens
pricingobjectCost structure (see below)
capabilitiesstring[]Supported features

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Pricing Object

type Pricing = {
  prompt: string;      // Cost per input token (USD)
  completion: string; // Cost per output token (USD)
  request?: string;   // Fixed cost per request (USD)
};
Prices are returned as strings to avoid floating-point precision issues.

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Model Format

Models use the format provider/model-name:
  • openai/gpt-5-mini
  • openai/gpt-3.5-turbo
  • anthropic/claude-3-sonnet
  • anthropic/claude-3-opus
  • x-ai/grok-beta
  • groq/llama-3-70b

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Capabilities

View Model Capabilities

For complete capability listings by model, visit anannas.ai/models to see which features each model supports.
Models may support:
  • text: Text generation
  • tool_calling: Function/tool execution
  • json_mode: Structured JSON output
  • streaming: Server-Sent Events
  • multimodal: Image/audio inputs
  • reasoning: Extended reasoning (o1, o3, etc.)
  • audio_output: Audio generation
  • image_output: Image generation

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Provider-Specific Models

View All Models

For complete, up-to-date model listings, pricing, capabilities, and parameter support, visit anannas.ai/models.

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OpenAI

  • openai/gpt-5-mini
  • openai/gpt-4-turbo
  • openai/gpt-3.5-turbo
  • openai/o1-preview
  • openai/o1-mini
  • openai/o3-mini

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Anthropic

  • anthropic/claude-3-opus
  • anthropic/claude-3-sonnet
  • anthropic/claude-3-haiku
  • anthropic/claude-sonnet-4-5

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xAI (Grok)

  • x-ai/grok-beta
  • x-ai/grok-2

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Other Providers

Models from Groq, TogetherAI, DeepInfra, Fireworks, Nebius, and others are available. Query /v1/models for the complete list.

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Model Selection

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Default Model

If model is omitted, Anannas uses your account’s default model. Set defaults in the dashboard.

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Model Routing

Use provider preferences to control model selection: 
{
    "model": "openai/gpt-5-mini",
  "provider": {
    "order": ["openai", "anthropic"],
    "sort": "price"
  }
}

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Fallbacks

Specify fallback models: 
{
    "model": "openai/gpt-5-mini",
  "fallbacks": [
    "anthropic/claude-3-sonnet",
    "openai/gpt-3.5-turbo"
  ]
}

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Parameter Support

Check Parameter Support

For detailed parameter support by model, visit anannas.ai/models to see which parameters each model supports.
Not all models support all parameters. Common support:
  • Temperature: Most models
  • Top P: Most models
  • Max Tokens: All models
  • Tool Calling: OpenAI, Anthropic (Claude 3+)
  • JSON Mode: OpenAI GPT-5 Mini, Claude 3+
  • Streaming: All models
  • Reasoning: o1, o3, Claude Sonnet 4.5

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Context Windows

View Context Windows

For accurate context window sizes for all models, check anannas.ai/models.
Context window sizes vary by model:
  • GPT-5 Mini: 128,000 tokens
  • GPT-4 Turbo: 128,000 tokens
  • Claude 3 Opus: 200,000 tokens
  • Claude 3 Sonnet: 200,000 tokens
  • o1: 128,000 tokens
Exceeding context limits returns an error.

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Rate Limits

Rate limits are tier-based and vary by model. Check your tier in the dashboard. Limits apply per API key.

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Pricing

View Current Pricing

For up-to-date pricing for all models, visit anannas.ai/models. Pricing is updated in real-time.
Pricing is per-token and varies by model. Check the /v1/models endpoint for current rates. Prices are in USD. Example pricing (approximate):
  • GPT-5 Mini: 0.0015/1Kinput,0.0015/1K input, 0.002/1K output
  • GPT-3.5 Turbo: 0.0015/1Kinput,0.0015/1K input, 0.002/1K output
  • Claude 3 Sonnet: 0.003/1Kinput,0.003/1K input, 0.015/1K output

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Model Updates

Models are updated automatically. Model identifiers remain stable, but underlying model versions may change. Check model descriptions for version information.

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Deprecated Models

Deprecated models continue to work but may be removed in future versions. Migrate to supported alternatives.

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See Also