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Open Source

FlexGen

Running large language models on a single GPU for throughput-oriented scenarios.

Our verdict

Not reviewed yet

We have not reviewed FlexGen yet

No one at Enterprise DNA has checked this listing against its sources. The description comes from public listings gathered automatically. Any fact below shows where it came from and when it was last checked.

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From the listing

About FlexGen

FlexGen is an open-source Python library for running large language models on a single GPU, optimized for throughput-oriented inference scenarios. It leverages memory and computation management techniques to maximize the number of tokens generated per second on constrained hardware.

Best for

Developers who need to run large language models at high throughput on a single GPU, especially in budget-constrained or research environments

Use cases

  • Serving high-throughput LLM applications on a single GPU
  • Benchmarking throughput limits of LLM inference on consumer hardware
  • Prototyping resource-efficient LLM deployments

Notes

9,365 stars on GitHub. Last updated 2024-10-28. Licensed Apache-2.0.

Pros

  • Open source with a strong community following (over 9,300 stars)
  • Designed specifically for maximizing throughput on a single GPU
  • Written in Python, easy to integrate into existing workflows

Cons

  • Limited to single-GPU setups, not suitable for multi-GPU scaling
  • May not prioritize latency, making it less ideal for real-time applications
  • Community-maintained, with potential for slower updates or documentation gaps

Key facts

What we have checked

GitHub stars
9,347
Checked github api via nightly crawl, recovered from git history 20e874270887c1008f860ee0198e461a23c9e438

Each value shows when we last confirmed it and where it came from. Values we have not confirmed are left out, never guessed.

Stars and usage

How FlexGen is growing

GitHub stars

9,365 to 9,347

stars. 12 July 2026 to 26 Sept 2026, 2 readings.

Source: github api via nightly crawl, recovered from git history 20e874270887c1008f860ee0198e461a23c9e438. Checked .

Alternatives

Alternatives to FlexGen

RecordTypeHow we knowChecked
vLLMThis is an alternative to itOpen sourceNamed in the listingNot dated

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Sources

Where this comes from

  • github api via nightly crawl, recovered from git history 20e874270887c1008f860ee0198e461a23c9e438Registry

    Checked · GitHub stars

A source shows what was published when we checked it. It does not certify security, performance or a working installation. Read our method.

Changelog

What changed

No changes recorded yet. Releases, price changes and deprecations appear here, with their dates, once we track them for this record.

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