LLM Reference
iFLYTEK Developer

iFLYTEK Developer

2 models across 1 family · Latest: Spark X2.5 4B (2026-08)

Global communication through AI innovation

CodingRAGAgentsLong contextJSON / Tool useChina

iFLYTEK Developer's portfolio covers 2 active models across 1 current family, spanning coding, rag, and agents. Open a model detail page to compare provider routes and sourced benchmarks.

Covers 5 workload areas across 2 active tracked models; last verified 2026-09-01.

Use it for

  • Teams evaluating coding, rag, and agents across this lab's releases
  • Comparing model families before committing to a flagship
  • Migration and pricing follow-ups across 2 tracked models

Do not use it for

  • Choosing a hosting provider without opening a model page for price ladders

Active models

2

Current models from this lab, excluding deprecated ones

Active families

1

Current model families from this lab

Open catalog

2 open

2 open source / 0 open weights

Lowest output price

Not tracked

No provider output pricing linked yet

Latest dated release

2026-08-31

Spark X2.5 4B

Freshness

2026-09-01

Researched 1d ago

fresh

Information

Founded1999
Hefei, China

Release cadence

Dated releases
2
Latest model
Spark X2.5 4B
Latest date
2026-08-31

Where this lab wins

  • Coding: 2 tracked models with SWE-bench / HumanEval-style scores.
  • RAG: 2 tracked models with ruler / needle retrieval benchmarks.
  • Agentic: 2 tracked models with BFCL, tau-bench, and SWE-bench tool-use coverage.
  • Long-context: 2 tracked models with context-token or InfiniteBench-class signal.

Flagship quality / price signal

Selection source
Best sourced coding Q/$
Coding grade
unknown
Benchmark / output price
Not enough sourced benchmark and price coverage

About

iFLYTEK is a pioneering force in the realm of intelligent speech and artificial intelligence (AI) technologies, with a particular focus on generative AI and Large Language Models (LLMs). Founded in 1999, this partially state-owned enterprise quickly established itself as a leader in voice recognition, natural language processing, and machine translation. The company's innovation in these areas is evident through its development of the iFLYTEK SPARK LLM, which not only enhances human-computer interaction but also supports various industrial applications.

Featured models

ModelReleasedContextInput price ($/1M)Output price ($/1M)LicenseOpenness
Spark X2.5 4B2026-08-311.05m--Apache 2.0Open source
Spark X2.5 1.7B2026-08-311.05m--Apache 2.0Open source

Model families

Recent releases

  1. Spark X2.5 4B- 2026-08-31
  2. Spark X2.5 1.7B- 2026-08-31

Explore related pages

Last reviewed: 2026-09-01. Data sourced from public lab announcements and provider documentation.