MATTERAI / MODELS

AXON
MODEL FAMILY

Enterprise-grade AI models built for coding agents, tool calling, and advanced reasoning. Available via API and integrated directly in Orbital.

OPENAI-COMPATIBLE API
https://api2.matterai.so/v1INFERENCE DOCS
ALL MODELS

Axon Eido 3 Pro

NEW · MOST INTELLIGENT

Our flagship model for long-running agents, tool calling, coding and deep research. Frontier reasoning with a 1M-token context and native multimodal input.

Context
1M
Output
128k
Input
$3.00
Output
$9.00
Tool CallingSkillsMCPStructured OutputsWeb Search
Text + Image InText Out
axon-eido-3-pro

Axon Eido 3 Mini

NEW · WORKHORSE

The everyday general-purpose workhorse for day-to-day tasks — chat, extraction, RAG and agents — with the same 1M context, fast and cost-efficient.

Context
1M
Output
128K
Input
$1.00
Output
$3.00
Tool CallingSkillsMCPStructured OutputsWeb Search
Text + Image InText Out
axon-eido-3-mini

Axon Eido 3 Flash

NEW · FAST

Fast, low-latency model suitable for low-complexity, day-to-day coding tasks and general use — with a 1M-token context and native multimodal input.

Context
1M
Output
128k
Input
$0.30
Output
$0.90
Tool CallingSkillsMCPStructured OutputsWeb Search
Text + Image InText Out
axon-eido-3-flash

Axon 2.5 Pro

GEN 2.5

High-intelligence model for long-running agent tasks, tool calling, coding and general purpose use.

Context
1M
Output
128k
Input
$2.00
Output
$8.00
Tool CallingSkillsMCPStructured OutputsWeb Search
Text + Image InText Out
axon-2-5-pro

Axon 2.5 Mini

GEN 2.5

General purpose daily workhorse model for low-effort day-to-day tasks.

Context
1M
Output
128K
Input
$0.50
Output
$2.00
Tool CallingSkillsMCPStructured OutputsWeb Search
Text + Image InText Out
axon-2-5-mini
CACHING

PROMPT
CACHING.

Cached input tokens are automatically discounted at 50% off the standard input price. Caching kicks in automatically for repeated prompt prefixes.

Axon Eido 3 Pro$1.500 / 1M cached
Axon Eido 3 Mini$0.500 / 1M cached
Axon Eido 3 Flash$0.150 / 1M cached
Axon 2.5 Pro$1.000 / 1M cached
Axon 2.5 Mini$0.250 / 1M cached
INTEGRATION

USE WITH
ANY SDK.

Fully OpenAI-compatible. Drop in your existing OpenAI client with just a base URL change.

PYTHON
from openai import OpenAI

client = OpenAI(
    api_key="YOUR_MATTERAI_KEY",
    base_url="https://api.matterai.so/v1",
)

response = client.chat.completions.create(
    model="axon-eido-3-pro",
    messages=[{"role": "user", "content": "Hello"}],
)
TYPESCRIPT
import OpenAI from "openai";

const client = new OpenAI({
  apiKey: "YOUR_MATTERAI_KEY",
  baseURL: "https://api.matterai.so/v1",
});

const response = await client.chat.completions.create({
  model: "axon-eido-3-pro",
  messages: [{ role: "user", content: "Hello" }],
});

START BUILDING
WITH AXON.