Benchmark Almanac

SWebBench

Spark-X2.6-4B 71.7% In use

Agents browse the web to retrieve information and do research tasks. iFlytek built it in house.

The Spark-X2.6-4B card says it will be open-sourced soon. Grading is not described.

Made by iFlytek (SparkLLM) Released Oct 2026 Deep research Tasks kept private Last in a launch post Oct 2026 Last model added Oct 2026
Level
Expert Specialists with years of training, often over hours of work
Scored
Checked automatically A program checks the result against an answer key, unit tests or the expected final state.
Answers
Agent task Many steps in a terminal, browser, desktop, app, game or robot.
1
Model scored in lab cards
1
Launch post lists it, from 1 lab

Spark-X2.6-4B leads with 71.7%

Best score per model as labs report them in their own cards. Labs pick their own settings, so these compare less cleanly than independent runs.

  1. 1 Spark-X2.6-4B 71.7%
#ModelScoreSettingDateSource
1 Spark-X2.6-4B 71.7% Oct 2026 Model card

Scores over time

All the scores we have, one dot each, so a model tested at several settings appears more than once.

Reported by the lab in its model card
0% 20% 40% 60% 80% 100% 2027 Near the ceiling (85%) Spark-X2.6-4B 0% 20% 40% 60% 80% 100% 2027 Near the ceiling (85%) Spark-X2.6-4B

One lab put it in a launch post in the last six months

Launch posts from every lab that has listed it, one tick per post. Tall colored ticks include it, and short gray ones leave it out.

iFlytek
DateLaunch postScoreAs the post writes it
22 Oct 2026 Spark-X2.6-4B 71.7 SWebBench (in-house)

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