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Axon Eido 3 Pro is our flagship model. It matches frontier intelligence across coding, tool-use and agentic workflows — with a 1M-token context window and native multimodal understanding, at a fraction of frontier pricing.

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Model Details

PropertyValue
Model IDaxon-eido-3-pro
Context Window1,000,000 tokens
Max Output128,000 tokens
Input Price$3.00 / 1M tokens
Output Price$9.00 / 1M tokens
Cached Input$1.50 / 1M tokens

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Capabilities

  • Tool Calling
  • Structured Outputs
  • Web Search
  • Agentic Workflows
  • Text + Image Input
  • Text Output

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Benchmarks

Axon Eido 3 Pro benchmarks vs Claude Opus 4.8, GPT-5.5, Gemini 3.1 Pro

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Quick Start

curl --location 'https://api2.matterai.so/v1/web/chat/completions' \
--header 'Content-Type: application/json' \
--header 'Authorization: Bearer MATTERAI_API_KEY' \
--data '{
    "model": "axon-eido-3-pro",
    "max_new_tokens": 2048,
    "temperature": 0.1,
    "messages": [
        {
            "role": "user",
            "content": "Hi"
        }
    ],
    "stream": false
}'
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API Reference

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