FastContext 4B RL Base SFT Fable5 Glint is an open-source language model by ermiaazarkhalili. Features: 4b LLM, VRAM: 8.1GB, Context: 256K, License: apache-2.0, LLM Explorer Score: 0.28.
Base model:finetune:microsoft/... Base model:microsoft/fastconte... Conversational En Endpoints compatible Qwen3 Region:us Safetensors Sharded Tensorflow Unsloth
Model Card on HF 🤗: https://huggingface.co/ermiaazarkhalili/FastContext-4B-RL_base-SFT-Fable5-Glint
FastContext 4B RL Base SFT Fable5 Glint Benchmarks
nn.n% — How the model compares to the reference models: Anthropic Sonnet 3.5 ("so35"), GPT-4o ("gpt4o") or GPT-4 ("gpt4").
What is the LLM Explorer Rank (Score)
FastContext 4B RL Base SFT Fable5 Glint Parameters and Internals
| LLM Name | FastContext 4B RL Base SFT Fable5 Glint |
| Repository 🤗 | https://huggingface.co/ermiaazarkhalili/FastContext-4B-RL_base-SFT-Fable5-Glint |
| Base Model(s) | |
| Model Size | 4b |
| Required VRAM | 8.1 GB |
| Updated | 2026-06-29 |
| Maintainer | ermiaazarkhalili |
| Model Type | qwen3 |
| Model Files | |
| Supported Languages | en |
| Model Architecture | Qwen3ForCausalLM |
| License | apache-2.0 |
| Context Length | 262144 |
| Model Max Length | 262144 |
| Tokenizer Class | Qwen2Tokenizer |
| Padding Token | <|endoftext|> |
| Vocabulary Size | 151936 |
| Torch Data Type | bfloat16 |
| Errors | replace |
Best Alternatives to FastContext 4B RL Base SFT Fable5 Glint
Best Alternatives |
Context / RAM |
Downloads |
Likes |
|---|---|---|---|
| FastContext 1.0 4B SFT | 256K / 8.1 GB | 5735 | 357 |
| FastContext 1.0 4B RL | 256K / 8.1 GB | 4559 | 61 |
| Qwen3 4B Instruct 2507 | 256K / 8.1 GB | 5455321 | 886 |
| GRPO 4 70 | 256K / 8.1 GB | 5 | 0 |
| Qwen3 4B Thinking 2507 | 256K / 8.1 GB | 599357 | 591 |
| Lightning 4B | 256K / 8.1 GB | 13 | 6 |
| Qwen3 4B Instruct 2507 FP8 | 256K / 5.2 GB | 840281 | 79 |
| Jan V1 4B | 256K / 8.1 GB | 108354 | 353 |
| AgentCPM Explore | 256K / 8.9 GB | 499 | 415 |
| OpenSonnet Lite MAX | 256K / 8 GB | 405 | 30 |
Note: green Score (e.g. "73.2") means that the model is better than ermiaazarkhalili/FastContext-4B-RL_base-SFT-Fable5-Glint .
Rank the FastContext 4B RL Base SFT Fable5 Glint Capabilities
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Original data from HuggingFace, OpenCompass and various public git repos.
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Release v20260328a