Best field report is 76.8 tok/s; keep ranking movement provisional until Bench evidence hardens.
Bench: Mac Studio M4 Ultra 256GB batch plannedMachine answer
Best local LLMs for MacBook Air M4 16GB 15-inch in 2026
Use this page when your real query is the exact machine, not a generic “best Mac” article. The ranking below is machine-specific, and the supporting links show where the evidence is benchmark-backed, sparse, or still fit-limited.
Current coding-biased answer for MacBook Air M4 16GB 15-inch: Devstral Small 2 24B. Treat this as the compact-model Apple Silicon tier and check Fit before trusting broader 27B-class claims.
14 benchmarks on this exact machine across 9 models. Last benchmark: April 17, 2026. Catalog current through April 22, 2026.
Best local LLMs for this Mac
MacBook Air M4 16GB 15-inch ranked for coding with a most capable bias, using the best available runtime evidence. focused on the current market set.
Current ranking evidence
Fresh releases stay visible, but sparse evidence remains explicit.
Best field report is 88.7 tok/s; keep ranking movement provisional until Bench evidence hardens.
Bench: Mac Studio M4 Ultra 256GB batch planned| Rank | Model | Score | Quant | Tok/s | Runtime | Evidence | Headroom | Context | Why it ranks here |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Devstral Small 2 24B24B parameters | 219 | q4.1bit | 0.1 tok/s Fastest evidence path: Q4_0 · 3.4 tok/s · llama.cpp · Community row | llama.cpp | EstimatedFirst-party M5 batch queued | 2.8 GB | 11k | Recent frontier candidate in the current catalog. q4.1bit is the highest practical quality here. 0.1 tok/s estimated from nearby benchmark coverage, with llama.cpp backend as the best runtime hint. 2.8 GB headroom is tight. |
| 2 | Gemma 4 E4B8B parameters | 213 | 8bit | 78.0 tok/s Fastest evidence path: 8bit · 78.0 tok/s · Ollama · Estimated | Ollama | EstimatedFirst-party M5 batch queued | 7.4 GB | 71k | Recent model release in the current catalog. 8bit is the highest practical quality here. 78.0 tok/s estimated from nearby benchmark coverage, with Ollama wrapper on llama.cpp as the best runtime hint. 7.4 GB headroom leaves workable context margin. |
| 3 | Magistral Small24B parameters | 209 | q4.1bit | Measure it | Best available | Fit-firstFirst-party M5 batch queued | 2.8 GB | 11k | q4.1bit is the highest practical quality here. Speed still needs direct speed coverage. 2.8 GB headroom is tight. |
| 4 | Ministral 3 8B8B parameters | 206 | 8bit | 72.0 tok/s Fastest evidence path: 8bit · 72.0 tok/s · MLX · Estimated | MLX | EstimatedFirst-party M5 batch queued | 7.0 GB | 44k | Recent model release in the current catalog. 8bit is the highest practical quality here. 72.0 tok/s estimated from nearby benchmark coverage, with MLX backend as the best runtime hint. 7.0 GB headroom leaves workable context margin. |
| 5 | Ministral 3 14B14B parameters | 205 | Q6_K | 40.0 tok/s Fastest evidence path: Q6_K · 40.0 tok/s · Ollama · Estimated | Ollama | EstimatedFirst-party M5 batch queued | 3.6 GB | 16k | Recent model release in the current catalog. Q6_K is the highest practical quality here. 40.0 tok/s estimated from nearby benchmark coverage, with Ollama wrapper on llama.cpp as the best runtime hint. 3.6 GB headroom is tight. |
| 6 | Qwen3.5-9B9B parameters | 194 | 8bit | 4.1 tok/s Fastest evidence path: Q4_K_M · 72.0 tok/s · LM Studio · Trusted reference | llama.cpp | EstimatedFirst-party M5 batch queued | 6.1 GB | 39k | Recent model release in the current catalog. 8bit is the highest practical quality here. 4.1 tok/s estimated from nearby benchmark coverage, with llama.cpp backend as the best runtime hint. 6.1 GB headroom leaves workable context margin. |
| 7 | gpt-oss 20B3.6B active / 21B total | 184 | 5bit | Measure it | MLX | Fit-firstFirst-party M5 batch queued | 2.9 GB | 19k | 5bit is the highest practical quality here. Speed still needs direct speed coverage. 2.9 GB headroom is tight. |
| 8 | Gemma 4 E2B5.1B parameters | 157 | 8bit | 95.0 tok/s Fastest evidence path: 8bit · 95.0 tok/s · Ollama · Estimated | Ollama | EstimatedFirst-party M5 batch queued | 10.5 GB | 131k | Recent model release in the current catalog. 8bit is the highest practical quality here. 95.0 tok/s estimated from nearby benchmark coverage, with Ollama wrapper on llama.cpp as the best runtime hint. 10.5 GB headroom leaves workable context margin. |
| 9 | Qwen3.5-4B4B parameters | 153 | 8bit | 92.0 tok/s Fastest evidence path: 8bit · 92.0 tok/s · Ollama · Estimated | Ollama | EstimatedFirst-party M5 batch queued | 10.8 GB | 77k | Recent model release in the current catalog. 8bit is the highest practical quality here. 92.0 tok/s estimated from nearby benchmark coverage, with Ollama wrapper on llama.cpp as the best runtime hint. 10.8 GB headroom leaves workable context margin. |
Machine
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