List history

Returns each model's measured score per run over time, oldest first, with the change between runs.

GET /v1/benchmark/history

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Address	`https://api.hanzo.ai/v1/benchmark/history`
Method	`GET`
Operation	`get_benchmark_history`
Auth	`Authorization: Bearer $HANZO_API_KEY`

Returns each model's measured score per run over time, oldest first, with the change between runs.

This is the counterweight to a leaderboard: the board shows the latest run because that is what "how good is it" means, and a single latest number cannot distinguish a model that has always been strong from one that just improved, or from one that regressed after a provider changed something. Both matter for routing, and only one of them is visible on a board.

Runs with no id — attempts recorded before runs existed — group under the empty run, which is honestly what they are: one undated measurement.

Request

2 fields.

Field	In	Type	Required	Description
`Benchmark`	query	string	—	Benchmark is the catalog id to read, defaulting to gpqa_diamond.
`Model`	query	string	—	Model filters to one model.

Response

Status	Body	Meaning
`200`	benchmark.historyOut	ok
`default`	problem-details	refused

200 body — 11 fields.

Field	In	Type	Always	Description
`benchmark`	body	string	—	Benchmark is the catalog id these histories are about.
`data`	body	benchmark.ModelHistory[]	—	Data is one entry per model, ordered by model name.
`data[].model`	body	string	—	Model is the system these runs measured.
`data[].points`	body	benchmark.RunPoint[]	—	Points is every run, oldest first.
`data[].points[].at`	body	string (date-time)	—	At is when the run was recorded.
`data[].points[].delta`	body	number (double)	—	Delta is the change in score from the previous run for this model, absent on the first.
`data[].points[].n`	body	integer (int64)	—	N is how many items the run covered.
`data[].points[].run`	body	string	—	Run is the measurement id these attempts were recorded under.
`data[].points[].score`	body	number (double)	—	Score is accuracy over the items this run covered, as a percentage.
`data[].trend`	body	number (double)	—	Trend is the change from the first run to the last, absent when there has only been one.
`total`	body	integer (int64)	—	Total is how many models Data holds.

Failure carries the platform error shape — see Errors.

Examples

CLI

SDK

HTTP

MCP

hanzo benchmark history

.ts

.py

.go

.rs

.java

import { Configuration, BenchmarkApi } from 'hanzoai';

const api = new BenchmarkApi(new Configuration({ accessToken: process.env.HANZO_API_KEY }));
const { data } = await api.getBenchmarkHistory();

from hanzoai.cloud import ApiClient, Configuration
from hanzoai.cloud.api import BenchmarkApi

client = ApiClient(Configuration(access_token=os.environ["HANZO_API_KEY"]))
result = BenchmarkApi(client).get_benchmark_history()

cfg := hanzoai.NewConfiguration()
cfg.AddDefaultHeader("Authorization", "Bearer "+os.Getenv("HANZO_API_KEY"))
client := hanzoai.NewAPIClient(cfg)

resp, _, err := client.BenchmarkAPI.GetBenchmarkHistory(context.Background()).Execute()
if err != nil {
	return err
}

use hanzo_client::apis::{configuration::Configuration, benchmark_api};

let mut cfg = Configuration::new();
cfg.bearer_access_token = std::env::var("HANZO_API_KEY").ok();

let result = benchmark_api::get_benchmark_history(&cfg, Default::default()).await?;

import ai.hanzo.cloud.ApiClient;
import ai.hanzo.cloud.api.BenchmarkApi;

ApiClient client = new ApiClient();
client.setBearerToken(System.getenv("HANZO_API_KEY"));

var result = new BenchmarkApi(client).getBenchmarkHistory();

curl https://api.hanzo.ai/v1/benchmark/history \
  -H "Authorization: Bearer $HANZO_API_KEY"

Tool benchmark, op get_benchmark_history — POST the JSON-RPC envelope to https://api.hanzo.ai/v1/mcp.

curl -X POST https://api.hanzo.ai/v1/mcp \
  -H "Authorization: Bearer $HANZO_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
       "jsonrpc": "2.0",
       "id": 1,
       "method": "tools/call",
       "params": {
         "name": "benchmark",
         "arguments": {
           "op": "get_benchmark_history",
           "input": {}
         }
       }
     }'

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