Can Mac Studio M4 Max 64 GB run Recursive Flint (40B-A2.5B)?
64 GB unified · 546 GB/s memory bandwidth · Recursive Flint (40B-A2.5B) has 39.8B parameters (2.5B active per token).
Short answer
Yes, excellent for chat and comfortable or better for every workload we test.
Best quantization for chat: MXFP4 (20 GB of weights) on LM Studio. Generation: 170–230 tok/s, leaving about 33 GB free for your other apps.
How it rates for each workload
Same model and machine, different jobs. Agents and long documents send far bigger prompts than chat, so they need much more speed and memory.
| Workload | Verdict | Quant | Generation | First reply | Context | |
|---|---|---|---|---|---|---|
| Chatwith Open WebUI | Excellent | MXFP4 | 170–230 tok/s | under 1 s | 8K | Details |
| Coding questionswith Continue | Excellent | MXFP4 | 160–210 tok/s | ≈2 s | 16K | Details |
| Coding in a repositorywith Aider | Comfortable | MXFP4 | 130–180 tok/s | ≈7 s | 32K | Details |
| Agentic codingwith OpenCode | Comfortable | MXFP4 | 120–170 tok/s | ≈9 s | 32K | Details |
| Long documents (64K)with Open WebUI | Excellent | MXFP4 | 85–110 tok/s | ≈25 s | 64K | Details |
Speeds are estimates calibrated against measured benchmarks on similar hardware. “First reply” is the time to read the workload’s opening prompt. How we calculate
Other models for Mac Studio M4 Max 64 GB
The best-rated models for chat on this machine.
- Qwen3.6 35B-A3B95–130 tok/sExcellent
- Qwen3-Next 80B-A3B Instruct140–180 tok/sExcellent
- Gemma 4 26B-A4B75–100 tok/sExcellent
- Qwen3.5 35B-A3B95–130 tok/sExcellent
- LFM2.5 24B-A2B190–250 tok/sExcellent
- gpt-oss-20b110–150 tok/sExcellent
Cheapest machines for Recursive Flint (40B-A2.5B)
Hardware rated comfortable or better for chat, lowest price first.
- Mac mini M4 32 GB$1,399 · 40–55 tok/sExcellent
- Desktop PC · Ryzen 9 9950X (no GPU) · 64 GB DDR5$1,400 · 20–35 tok/sExcellent
- Desktop PC · Intel Arc Pro B60 24GB · 32 GB RAM$1,500 · 95–160 tok/sExcellent
- Ryzen AI Max+ 395 mini PC / Framework Desktop · 64 GB$1,600 · 100–140 tok/sExcellent
- Desktop PC · Intel Arc Pro B60 24GB · 64 GB RAM$1,628 · 95–160 tok/sExcellent
- Mac mini M2 Pro 32 GB$1,699 · 65–90 tok/sExcellent
Different tool, context size or workload?
These pages use typical settings. The full check models your exact setup.