List Benchmarks

curl --request GET \
  --url https://openrouter.ai/api/v1/benchmarks \
  --header 'Authorization: Bearer <token>'

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://openrouter.ai/api/v1/benchmarks', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://openrouter.ai/api/v1/benchmarks",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://openrouter.ai/api/v1/benchmarks"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("Authorization", "Bearer <token>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

require 'uri'
require 'net/http'

url = URI("https://openrouter.ai/api/v1/benchmarks")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'

response = http.request(request)
puts response.read_body

{
  "data": [
    {
      "agentic_index": 58.3,
      "coding_index": 65.8,
      "display_name": "GPT-4o",
      "intelligence_index": 71.2,
      "model_permaslug": "openai/gpt-4o",
      "pricing": {
        "completion": "0.00001",
        "prompt": "0.0000025"
      },
      "source": "artificial-analysis"
    },
    {
      "accuracy": 0.72,
      "accuracy_stddev": 0.03,
      "avg_cost_per_task": 0.002,
      "benchmark_type": "gpqa_diamond",
      "display_name": "GPT-4o",
      "last_run_timestamp": "2026-06-03T12:00:00Z",
      "model_permaslug": "openai/gpt-4o",
      "source": "openrouter",
      "total_tasks": 300
    }
  ],
  "meta": {
    "as_of": "2026-06-03T12:00:00Z",
    "citation": null,
    "model_count": 1,
    "source": null,
    "source_url": null,
    "task_type": null,
    "version": "v1"
  }
}

{
  "error": {
    "code": 400,
    "message": "Invalid request parameters"
  }
}

{
  "error": {
    "code": 401,
    "message": "Missing Authentication header"
  }
}

{
  "error": {
    "code": 429,
    "message": "Rate limit exceeded"
  }
}

{
  "error": {
    "code": 500,
    "message": "Internal Server Error"
  }
}

Benchmarks

List Benchmarks

Unified benchmark endpoint that aggregates scores from multiple benchmark sources (Artificial Analysis, Design Arena, and OpenRouter’s own tau-bench, GPQA, and web-search evals). Filter by source to reproduce the exact shapes from the legacy per-source endpoints, or use task_type to find models suited for specific workloads. Use task_type=search (or a search_* benchmark_type) for OpenRouter’s search benchmarks, which publish each model’s highest-scoring eligible evaluation configuration with same-configuration runs combined by task-weighted mean. Authenticate with any valid OpenRouter API key. Rate-limited to 30 requests/minute per key and 500 requests/day per account.

GET

benchmarks

List Benchmarks

curl --request GET \
  --url https://openrouter.ai/api/v1/benchmarks \
  --header 'Authorization: Bearer <token>'

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://openrouter.ai/api/v1/benchmarks', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://openrouter.ai/api/v1/benchmarks",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://openrouter.ai/api/v1/benchmarks"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("Authorization", "Bearer <token>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

require 'uri'
require 'net/http'

url = URI("https://openrouter.ai/api/v1/benchmarks")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'

response = http.request(request)
puts response.read_body

{
  "data": [
    {
      "agentic_index": 58.3,
      "coding_index": 65.8,
      "display_name": "GPT-4o",
      "intelligence_index": 71.2,
      "model_permaslug": "openai/gpt-4o",
      "pricing": {
        "completion": "0.00001",
        "prompt": "0.0000025"
      },
      "source": "artificial-analysis"
    },
    {
      "accuracy": 0.72,
      "accuracy_stddev": 0.03,
      "avg_cost_per_task": 0.002,
      "benchmark_type": "gpqa_diamond",
      "display_name": "GPT-4o",
      "last_run_timestamp": "2026-06-03T12:00:00Z",
      "model_permaslug": "openai/gpt-4o",
      "source": "openrouter",
      "total_tasks": 300
    }
  ],
  "meta": {
    "as_of": "2026-06-03T12:00:00Z",
    "citation": null,
    "model_count": 1,
    "source": null,
    "source_url": null,
    "task_type": null,
    "version": "v1"
  }
}

{
  "error": {
    "code": 400,
    "message": "Invalid request parameters"
  }
}

{
  "error": {
    "code": 401,
    "message": "Missing Authentication header"
  }
}

{
  "error": {
    "code": 429,
    "message": "Rate limit exceeded"
  }
}

{
  "error": {
    "code": 500,
    "message": "Internal Server Error"
  }
}

Authorizations

Authorization

string

header

required

API key as bearer token in Authorization header

Query Parameters

source

enum<string>

Benchmark source to query. Determines the shape of the returned items. When omitted, returns results from all sources.

Available options:

artificial-analysis,

design-arena,

openrouter

Example:

"artificial-analysis"

task_type

enum<string>

Filter results by task type. For Artificial Analysis, maps to the corresponding index. For Design Arena, maps to the matching category. search returns OpenRouter search benchmark results only.

Available options:

coding,

intelligence,

agentic,

search

Example:

"coding"

benchmark_type

enum<string>

Return results for one exact OpenRouter benchmark. A search_* value narrows the response to search results only; a classic value narrows the OpenRouter items and leaves other sources' items as they are.

Available options:

gpqa_diamond,

tau_bench_verified_airline,

search_browsecomp,

search_hle,

search_dsqa,

search_widesearch

Example:

"search_widesearch"

include_run_config

boolean

default:false

Search benchmarks only: include the published lane configuration whitelist in each search item. Defaults to false. The whitelist is limited to agent turn count, reasoning effort, and temperature so future harness configuration changes do not change the public contract.

Example:

true

search_engine

string

OpenRouter search benchmarks only: filter by the search engine used.

Example:

"exa"

search_surface

enum<string>

OpenRouter search benchmarks only: filter by the request surface the lane ran on.

Available options:

server-tool,

plugin

Example:

"server-tool"

arena

enum<string>

Design Arena only: arena to query. Defaults to models when source is design-arena.

Available options:

models,

builders,

agents

Example:

"models"

Response

Benchmark results filtered by the specified source and optional task type.

data

object[]

required

Option 1
Option 2
Option 3
Option 4

Show child attributes

Example:

{
  "agentic_index": 58.3,
  "coding_index": 65.8,
  "display_name": "GPT-4o",
  "intelligence_index": 71.2,
  "model_permaslug": "openai/gpt-4o",
  "pricing": {
    "completion": "0.00001",
    "prompt": "0.0000025"
  },
  "source": "artificial-analysis"
}

API Guides

Versioning

API Reference

List Benchmarks

Authorizations

Query Parameters

Response