Llama.cpp adds GLM-5.3-Flash support in commit 649dcb1
The open-source project llama.cpp integrated support for the GLM-5.3-Flash model, also called GLM5-Next, in commit 649dcb1. The update includes optimizations for long-context decoding, memory pooling, and fixes for GPU/ROCm graph reallocation. Changes also address quantization protection, tokenizer handling, and recurrent state rollback checks for the model. The commit mentions improvements like…
Key points
- llama.cpp commit 649dcb1 adds GLM-5.3-Flash (GLM5-Next) support with 2377 additions and 39 deletions across 32 files
- Optimizations include long-context decode speedups, memory pooling fixes, and GPU/ROCm graph reallocation corrections
- Changes assisted by Claude Opus 5, Codex, and contributors Sigbjørn Skjæret, Stanisław Szymczyk, and Piotr Wilkin
The story so far
4 episodes →- Llama.cpp adds GLM-5.3-Flash support in commit 649dcb1this story
add GLM-5.3-Flash (GLM5-Next) support (#27773) · ggml-org/llama.cpp@649dcb1
github.com · 30 September 2026Loading the full article…
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