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Nace.AI: Drex Max vs Respan: Span-02

A side-by-side comparison of Nace.AI: Drex Max ($0.21 / 1M tokens) and Respan: Span-02 ($0.04 / 1M tokens) using current USD prices and capabilities from the api14 catalog. Both run through the same OpenAI-compatible API.

Specifications

Nace.AI: Drex MaxRespan: Span-02
ProviderNace.AIRespan
Input$0.21 / 1M tokens$0.04 / 1M tokens
Context window262,144131,072
Max output235,929117,964
Inputtexttext, image
Outputdecisionsdecisions
Tool calling
Structured output
Reasoning control
AddedOct 21, 2026Oct 16, 2026

Key differences

  • Respan: Span-02 is 83% cheaper on input tokens.
  • Nace.AI: Drex Max reads 2.0× more context (262,144 tokens).
  • A request with 1,000 input and 500 output tokens costs $0.000210 with Nace.AI: Drex Max and $0.000035 with Respan: Span-02.

Switch with one string

Both models use the same endpoint and request shape. Change the model value from "nace-ai/drex-max" to "respan/span-02" and prompts, streaming and tools keep working.

Nace.AI: Drex Max details & playground →Respan: Span-02 details & playground →
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api14.com/api/v1",
  apiKey: process.env.API14_API_KEY,
});

const result = await client.post("/decisions", { body: {
  "model": "respan/span-02",
  "state": "Customer: I was charged twice for my order and want my money back.",
  "questions": {
    "team": {
      "type": "choice",
      "instructions": "Which team should handle this message?",
      "criteria": {
        "billing": "Payments, refunds, invoices",
        "support": "Product questions and bugs",
        "sales": "Pricing and new purchases"
      }
    },
    "urgent": {
      "type": "noul",
      "instructions": "Does this need a reply today?",
      "criteria": {
        "true": "Money, outage or legal risk",
        "false": "Can wait"
      }
    }
  }
} });
console.log(result.answers);

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