alt.freeweights.text / swesmith_8b-step35

From: laion <huggingface.co/laion>Newsgroups: alt.freeweights.textSubject:

swesmith_8b-step35

Date: 2026-11-15Commit: ba67d8bSigned: 2DC28CC7B26A283B ✓

Text generation model with 8.2B parameters. Safetensors weights, 16.4 GB in all. Published by laion under Apache-2.0.

8.2B params16.4GBswesmith_8b-step35safetensorspermissive

FactsParams8.2BSize16.4 GBFormatssafetensorsTasktext generationLicenseApache-2.0From sourcepermissive

$ fw get laion/swesmith_8b-step35
# manifest sha256 aa5996facd87… · 16.4 GB · 16 files
$ fw verify ./swesmith_8b-step35 laion/swesmith_8b-step35

From sourceHosted (signed)laion/swesmith_8b-step35Last check: 2026-11-15 04:27 UTC

Run at home Get help

Get help: custom fine-tune or private deploy. We review your setup before we quote.

Fine-tune of r2egym-nl2bash-stack-bugsseq-fixthink-again.

Works with

Run24 Fine-tune29 Convert15 Evaluate13 Scan13 Apps58

Runs with

Ranked by fit to this model (safetensors), then by GitHub stars.

vLLM exo Text Generation WebUI

SGLang MLC LLM KTransformers LMCache Xinference LMDeploy mistral.rs Mooncake FlashInfer

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AIBrix fastllm ExLlamaV3

Transformers LocalAI tinygrad gpu-unlock Triton Inference Server BentoML CTranslate2 ExLlamaV2 LitServe

Convert with

mergekit TensorRT Model Optimizer

LLM Compressor Neural Compressor AutoRound AQLM GPTQModel ONNX Core ML Tools ExecuTorch

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Evaluate with

Opik DeepEval Ragas lm-evaluation-harness OpenCompass SWE-bench

simple-evals TruLens HELM

LightEval

Evaluate Weave

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Autoevals

Scan with

promptfoo garak Guardrails NeMo Guardrails Giskard DeepTeam AI Fairness 360 Fairlearn Detoxify MCP Scanner AgentDojo ModelScan

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picklescan

Overview Model card Files Use it License Provenance Model tree

Overview

Size: 16.4 GB
Weights: 16.4 GB (safetensors)
Parameters: 8.2B
Formats: safetensors
Task: text generation
License: Apache-2.0 (permissive)
Files: 16, each with a sha256
Publisher: laion
Added: 2026-11-15
Section: alt.freeweights.text

Lineage

Original release from the publisher.

Base model: laion/r2egym-nl2bash-stack-bugsseq-fixthink-again

Where these bytes come from

Publisher at the pinned commit→You

Sources are tried in order. A file counts only when its size and sha256 match the manifest. Sources are checked when you ask for them, not on a timer.

Sources

Badge	Host	Last check	Result
From source	huggingface.co	2026-11-15 04:27 UTC	passed

Model card

From the publisher at commit ba67d8b. Shown as plain text with links; images open at the publisher.

swesmith_8b-step35#

RL-trained Qwen3-8B on SWEsmith tasks (32k context, no rope scaling, 35 steps).

Training Details#

Parameter	Value
Base model	laion/r2egym-nl2bash-stack-bugsseq-fixthink-again (Qwen3-8B SFT)
Dataset	SWEsmith oracle-verified (2,500 tasks, 120s timeout)
Algorithm	RLOO-N (Leave-One-Out with neutral masking)
Learning rate	2.0e-5
Train batch size	32
Samples per prompt	8
Max episodes	64
Max generate length	8,192 tokens
Max input tokens	24,000
Max model length	32,768
Rope scaling	None (32k native context)
KL loss	Disabled
Reward shaping	Enabled (pass_ratio)
Staleness steps	16
Policy nodes	2 (8 GPUs, FSDP2)
Inference engines	20 (TP=1)
Training steps	35
Framework	BenSkyRL + Harbor

Usage#

from transformers import AutoModelForCausalLM, AutoTokenizer

model = AutoModelForCausalLM.from_pretrained("laion/swesmith_8b-step35")
tokenizer = AutoTokenizer.from_pretrained("laion/swesmith_8b-step35")

Files

16 files · 16.4 GBWeights 16.4 GB (safetensors). Sizes and sha256 from the signed manifest.

Hide all 16 files with their sha256

File	Size	sha256
.gitattributes	1.57 KB	34448b82c17d60fec9b65b1f093c115ddbaadc04beb1b0140b6bfed2e012a930
README.md	1.50 KB	8efdc6fab1a4ab323c4cfa22a5b19172e70b5ddaa4870b4fc5f939764c7dc9dd
added_tokens.json	707 B	c0284b582e14987fbd3d5a2cb2bd139084371ed9acbae488829a1c900833c680
chat_template.jinja	4.17 KB	a55ee1b1660128b7098723e0abcd92caa0788061051c62d51cbe87d9cf1974d8
config.json	1.54 KB	ba0034e547c55d23e895919cd5ae10d05eefdda9562463b2c4a4c0fbeb32d698
generation_config.json	188 B	d62d5449628acccf95dca468b1ff99002b3d0d428dfcdbe132f1be35a815a97b
merges.txt	1.67 MB	8831e4f1a044471340f7c0a83d7bd71306a5b867e95fd870f74d0c5308a904d5
model-00001-of-00004.safetensors	5.29 GB	517650a15348c560dd1527401b4b242e8c699d129ec832b14b90e67bbd06c02c
model-00002-of-00004.safetensors	5.30 GB	e3143fbe235bd95ff3b9d02c6e79bf452755f5af43ff52240121d65d1318317f
model-00003-of-00004.safetensors	5.36 GB	03b35d1fe495740845cbff8e2c471f4d021c2ed25734b1e486f550b956dbb441
model-00004-of-00004.safetensors	428 MB	6560442a03d911e5c47b40c5bd27457c55ca7ef9217ad357e3ccf8758272ae90
model.safetensors.index.json	32.9 KB	d25b6d9f406fc3e6d0472554555295ab62e1788f1db4ee1e87f597cd481fb73b
special_tokens_map.json	613 B	76862e765266b85aa9459767e33cbaf13970f327a0e88d1c65846c2ddd3a1ecd
tokenizer.json	11.4 MB	aeb13307a71acd8fe81861d94ad54ab689df773318809eed3cbe794b4492dae4
tokenizer_config.json	5.43 KB	3e27b302e9844c5b9648a8dbc1958fbbf3bda640e07302f53c17ac7a3192def5
vocab.json	2.78 MB	ca10d7e9fb3ed18575dd1e277a2579c16d108e32f27439684afa0e10b1440910

VersionsEach time the pinned upstream commit or file list changed in this repo. Newest first.

Upstream commit	Date	Contents
ba67d8bf5e pinned now	2026-11-15 04:27 UTC	16 files · 16.4 GB

Use it

$ fw get laion/swesmith_8b-step35
# manifest sha256 aa5996facd87… · 16.4 GB · 16 files
$ fw verify ./swesmith_8b-step35 laion/swesmith_8b-step35

fw.pyChecks the signature and every sha256, tries each source in order, resumes.

$ python3 fw.py get https://freeweights.allternit.com/manifests/laion/swesmith_8b-step35.json --dir ./swesmith_8b-step35
$ python3 fw.py verify ./swesmith_8b-step35 ./laion__swesmith_8b-step35.json

hfThe Hugging Face CLI with one setting. Same repo id.

$ HF_ENDPOINT=https://freeweights.allternit.com hf download laion/swesmith_8b-step35 --revision ba67d8bf5ebd8a815f5103cb3c070e7a909bd2ff --local-dir ./swesmith_8b-step35

transformersLoad the weights in Python.

import os
os.environ["HF_ENDPOINT"] = "https://freeweights.allternit.com"
from transformers import AutoModelForCausalLM, AutoTokenizer
tok = AutoTokenizer.from_pretrained("laion/swesmith_8b-step35", revision="ba67d8bf5ebd8a815f5103cb3c070e7a909bd2ff")
model = AutoModelForCausalLM.from_pretrained("laion/swesmith_8b-step35", revision="ba67d8bf5ebd8a815f5103cb3c070e7a909bd2ff", device_map="auto")

vLLMServe an OpenAI-compatible API.

$ HF_ENDPOINT=https://freeweights.allternit.com vllm serve laion/swesmith_8b-step35 --revision ba67d8bf5ebd8a815f5103cb3c070e7a909bd2ff

Run at home

License

Name: Apache License 2.0
Id: Apache-2.0
Class: Permissive
Redistribution: yes
Listing: Hosted (signed)
Decided: License as declared by the publisher. No person read it. 2026-11-15
Text in: README.md
Text sha256: 8efdc6fab1a4ab323c4cfa22a5b19172e70b5ddaa4870b4fc5f939764c7dc9dd
Terms gate: No extra terms beyond the license.

Read the license text

Licenses are checked against the license table. A custom license passes only after a person reads it.

Provenance

From: laion <huggingface.co/laion>Newsgroups: alt.freeweights.textSubject: swesmith_8b-step35Date: 2026-11-15Commit: ba67d8bSigned: 2DC28CC7B26A283B ✓

Upstream: laion/swesmith_8b-step35
Pinned commit: ba67d8bf5ebd8a815f5103cb3c070e7a909bd2ff
Manifest: swesmith_8b-step35.json · .minisig
Manifest sha256: aa5996facd8748385d23a8e3d821e307191f642acb37183bff50f6e12da40489
Signature: minisign, Ed25519, key 2DC28CC7B26A283B
Created: 2026-11-15 04:27 UTC
Generator: freeweights-manifest/0.1.0
Takedowns: None.

How to verify

$ curl -O https://freeweights.allternit.com/manifests/laion/swesmith_8b-step35.json
$ curl -O https://freeweights.allternit.com/manifests/laion/swesmith_8b-step35.json.minisig
$ minisign -Vm swesmith_8b-step35.json -P RWQ7KGqyx4zCLXtUFOqvfv8L3g+8fpKJ1FsuxPyOYMF+4KufbUxKq1Oq
$ shasum -a 256 <file>   # compare with the Files tab

A manifest whose signature fails must be rejected. A file whose size or sha256 does not match must be discarded. Verify a download

Model tree

Parent

laion/r2egym-nl2bash-stack-bugsseq-fixthink-again · this model is a finetune of it

No model in the catalog names this one as its parent.

Get it

Download

$ HF_ENDPOINT=https://freeweights.allternit.com hf download laion/swesmith_8b-step35

Open in Freeweights Studio

Pull, verify and run it in the Allternit app on Desktop, web or phone.

Signed manifest

minisign, key 2DC28CC7B26A283B. swesmith_8b-step35.json. Provenance. Takedown history: none.

Source

huggingface.co/laion/swesmith_8b-step35

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swesmith_8b-step35

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Overview

Model card

swesmith_8b-step35#

Training Details#

Usage#

Files

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Provenance

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