Mercury 2 API

inception/mercury-2
Mercury 2 on AIMLAPI.
Context
128K tokens
Input
$0.34385 / 1M tokens
Output
$1.03155 / 1M tokens

How to use Mercury 2 API

Install any OpenAI-compatible SDK, point it at api.aimlapi.com/v1, and set the model to inception/mercury-2.
import requests

r = requests.post(
    "https://api.aimlapi.com/v1/chat/completions",
    headers={"Authorization": "Bearer " + AIMLAPI_KEY},
    json={
      "model": "inception/mercury-2",
      "messages": [
        {
          "role": "user",
          "content": "Hello!"
        }
      ]
    },
)
print(r.json())
const r = await fetch("https://api.aimlapi.com/v1/chat/completions", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.AIMLAPI_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "model": "inception/mercury-2",
    "messages": [
      {
        "role": "user",
        "content": "Hello!"
      }
    ]
  }),
});
console.log(await r.json());
curl -X POST https://api.aimlapi.com/v1/chat/completions \
  -H "Authorization: Bearer $AIMLAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"inception/mercury-2","messages":[{"role":"user","content":"Hello!"}]}'

OpenAI-compatible — swap the base URL and it works with your existing SDK.

Mercury 2 API Pricing

TypePrice
Input
$0.34385 / 1M tokens
Output
$1.03155 / 1M tokens
Cached input
$0.034385 / 1M tokens

Mercury 2 Benchmarks

BenchmarkScoreWhat it measuresSourceRetrieved
Intelligence
11.5
Composite score across standardised reasoning, knowledge and problem-solving evaluations, measured independently by Artificial AnalysisSourceSeptember 12, 2026
Coding
31.1
Composite score across standardised coding evaluations, measured independently by Artificial AnalysisSourceSeptember 12, 2026

Mercury 2 vs other models

ModelInputOutputContextBest for
Mercury 2
This page
$0.34385 / 1M tokens
$1.03155 / 1M tokens
128K tokens
Reasoning + agents
$6.5 / 1M tokens
$39 / 1M tokens
1.05M tokens
Reasoning + agents
$2.6 / 1M tokens
$13 / 1M tokens
1M tokens
Balanced coding + agents
$3.9 / 1M tokens
$19.5 / 1M tokens
1M tokens
Long-context, multimodal & agentic workflows
$0.65 / 1M tokens
$3.9 / 1M tokens
1.05M tokens
Reasoning + agents

Frequently asked questions

Mercury 2 has a 128,000 tokens context window and can return up to 50,000 tokens.

Mercury 2 takes image, text as input and returns text.

Use inception/mercury-2 as the model id. Requests go to https://api.aimlapi.com/v1/chat/completions.

Mercury 2 is priced at input $0.34385 / 1M tokens, output $1.03155 / 1M tokens, cached input $0.034385 / 1M tokens.

Yes, Mercury 2 can stream responses as they are generated.

Yes, Mercury 2 accepts image input alongside text.

No. Mercury 2 handles image and text input with text output only; audio is not supported.

Yes. It supports function calling, tool use, and parallel tool calls.

Yes. Mercury 2 includes reasoning as a supported feature and capability.

Start building with Mercury 2

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