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Codestral 22B VRAM Requirements

Mistral AI, France · Released May 29, 2024

Codestral 22B has 22.3B parameters. In BF16 its weights alone take 41.4 GiB; quantized to 4-bit, about 12.6 GiB. Each 32K-token request adds 7.00 GiB of KV cache. Cheapest way to run it today: 1 × RTX A4000 (16 GB) at $0.072 per hour.

Size your own setup in the calculator →

VRAM by precision and context length

Weights plus the KV cache of one request (BF16 cache), in GiB. Add 1 to 3 GiB for the inference engine itself.

Weights formatWeights only+ 8K context+ 32K context
BF16 / FP1641.443.248.4
FP8 / INT821.122.828.1
4-bit (GGUF Q4_K_M)12.614.319.6

Codestral 22B GGUF files

Exact size of each quantization in bartowski/Codestral-22B-v0.1-GGUF (opens in a new tab), and the smallest GPU that runs it with llama.cpp, Ollama or LM Studio and an 8K-token context.

QuantizationFile sizeSmallest GPU
Q8_022.0 GiBRTX 5090 (32 GB)
Q6_K17.0 GiBRTX 4090 (24 GB)
Q5_K_M14.6 GiBRTX 4090 (24 GB)
Q4_K_M12.4 GiBRTX 4080 / 4080 SUPER (16 GB)
IQ4_XS11.1 GiBRTX 4080 / 4080 SUPER (16 GB)
Q3_K_M10.0 GiBRTX 4080 / 4080 SUPER (16 GB)
Q2_K7.70 GiBRTX 4070 / 4070 SUPER (12 GB)
IQ2_XS6.19 GiBRTX 4070 / 4070 SUPER (12 GB)
Show the other 10 files
QuantizationFile sizeSmallest GPU
F3282.9 GiBRTX PRO 6000 Blackwell (96 GB)
Q5_K_S14.3 GiBRTX 4090 (24 GB)
Q4_K_S11.8 GiBRTX 4080 / 4080 SUPER (16 GB)
Q3_K_L10.9 GiBRTX 4080 / 4080 SUPER (16 GB)
IQ3_M9.37 GiBRTX 4080 / 4080 SUPER (16 GB)
Q3_K_S8.98 GiBRTX 4080 / 4080 SUPER (16 GB)
IQ3_XS8.55 GiBRTX 4070 / 4070 SUPER (12 GB)
IQ3_XXS8.01 GiBRTX 4070 / 4070 SUPER (12 GB)
IQ2_M7.10 GiBRTX 4070 / 4070 SUPER (12 GB)
IQ2_S6.55 GiBRTX 4070 / 4070 SUPER (12 GB)

Read every day from Hugging Face. Split files are added together; vision projectors are left out.

How many GPUs to run Codestral 22B

Fewest GPUs that fit the weights plus one 8K-token request. Data-center GPUs use vLLM (90% of memory usable), the others llama.cpp. Several GPUs split the model with tensor or pipeline parallelism.

GPUBF16 / FP168-bit4-bit
GeForce RTX 4090 24 GB221
GeForce RTX 5090 32 GB211
RTX PRO 6000 Blackwell 96 GB111
Mac M5 Max 128 GB 96 GB usable111
Ryzen AI Max+ 395 128 GB 96 GB usable111
DGX Spark (GB10) 128 GB111
NVIDIA H100 80 GB111
NVIDIA H200 141 GB111
NVIDIA B200 (HGX) 180 GB111

8-bit: FP8 with vLLM (INT8 on GPUs without FP8), Q8_0 with llama.cpp. 4-bit: AWQ / GPTQ with vLLM, Q4_K_M with llama.cpp, both counted at the Q4_K_M size.

Cheapest way to run Codestral 22B today

For each GPU: the fewest cards that fit Codestral 22B with one 8K-token request, the most faithful weight format at that count, and the cheapest on-demand price (2026-10-30).

On-demand prices from AWS, Google Cloud, Azure, RunPod, Vast.ai, Oracle Cloud, OVHcloud, Scaleway, Verda, Akash and UpCloud, checked every hour. Serving many users needs more KV cache, so more memory: size it in the calculator. Some links are affiliate links: StudioTV may earn a commission, at no extra cost to you.

AWS, Google Cloud and UpCloud prices: Spare Cores (opens in a new tab), CC BY-SA 4.0 (opens in a new tab), shared under the same license.

KV cache: how memory grows with context

Architecture: 56 layers · GQA, 8 KV heads × 128. Every layer keeps keys and values for every token (grouped-query attention), so the cache grows linearly with context.

Context per requestBF16 cacheFP8 cache
8K tokens1.75 GiB0.88 GiB
32K tokens7.00 GiB3.50 GiB

Codestral 22B VRAM FAQ

How much VRAM does Codestral 22B need?

In BF16 the weights alone take 41.4 GiB (45 GB). In FP8 that is 21.1 GiB, and about 12.6 GiB with 4-bit quantization (Q4_K_M). Each request then adds KV cache: 1.75 GiB at 8K tokens and 7.00 GiB at 32K (BF16 cache).

Can Codestral 22B run on a single RTX 4090 (24 GB)?

Yes. In Q4_K_M it fits on one RTX 4090 with an 8K-token context (14.3 GiB including the cache, with llama.cpp).

Can Codestral 22B run on an RTX 5090 (32 GB)?

Yes. In Q8_0 (22.8 GiB with an 8K-token context) it fits on one RTX 5090, with llama.cpp.

Can Codestral 22B run on a Mac?

Yes. In 4-bit (Q4_K_M with llama.cpp) it needs a Mac with 24 GB of unified memory or more, of which macOS gives the GPU about 16 GB, for one request with an 8K-token context. In 8-bit (Q8_0) it needs 36 GB or more.

Can Codestral 22B run on a DGX Spark or a Ryzen AI Max+ 395 (128 GB)?

Yes. In BF16 (43.2 GiB with an 8K-token context) it fits on a DGX Spark (128 GB) and on a Ryzen AI Max+ 395 with 128 GB, whose GPU gets up to 96 GB, with llama.cpp and one request.

What is the cheapest way to run Codestral 22B?

On 2026-10-30, the cheapest on-demand setup is 1 × RTX A4000 (16 GB) with Q4_K_M weights on Vast.ai, at $0.072 per hour (about $52.56 per month). Next: 1 × NVIDIA L4 (24 GB) with 4-bit weights on Vast.ai, at $0.104 per hour. Sized for one 8K-token request; prices are checked every hour.

How many H100 GPUs does Codestral 22B need?

With one request and an 8K-token context: 1 in BF16, 1 in FP8 and 1 in 4-bit (vLLM, 90% of memory usable). Serving many users at once needs more memory for their KV caches: the calculator sizes that for you.

Codestral 22B VRAM badge

For a model card or a README: the 4-bit size and the smallest GPU it fits on, linked to this page. Data as JSON: /api/models/codestral-22b.json.

Codestral 22B VRAM badge

[![Codestral 22B VRAM](https://studiotvai.com/badge/codestral-22b.svg)](https://studiotvai.com/vram-requirements/codestral-22b)

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Estimates, not guarantees: computed from the official config.json with the same engine as the LLM VRAM Calculator. Real usage depends on your engine version and settings.