The Atlas · column C ($0.10–0.30) · row 3 (128–256K)

GRIDC3 Models at $0.10–0.30 per 1M input with 128–256K tokens of context

10 models · 5 creatorsChecked 10 Oct 2026

10 models cost between $0.10 and $0.29 per 1M input tokens and hold 128–256K tokens of context. The cheapest on input is Ministral 3 3B 2512 at
$0.10
observed We measured
Source
Our catalogue
Retrieved
17 Aug 2026
. A request that fills each model’s window costs $0.01–$0.06 here, because windows differ within a square.
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ModelsAtlas. “Models at $0.10–0.30 per 1M input with 128–256K tokens of context”. Retrieved 10 Oct 2026. https://modelsatlas.com/atlas/c3

Models in C3

Cheapest available standard-tier offer · USD per 1M tokens

ModelInputOutputContextListed
Ministral 3 3B 2512Mistral AI$0.10$0.10131,072—Alternatives
Llama Guard 4 12BMeta$0.18$0.18163,840—Alternatives
Nemotron 3.5 Content SafetyNVIDIA$0.20$0.20131,072free tier Alternatives
MiniMax M2.7MiniMax$0.21$0.84204,800—Alternatives
Llama 3.3 70B InstructMeta$0.22$0.50131,072—Alternatives
DeepSeek V3.1DeepSeek$0.25$0.95163,840—Alternatives
DeepSeek V3.2DeepSeek$0.26$0.80163,840—Alternatives
DeepSeek V3.1 TerminusDeepSeek$0.27$1.00163,840—Alternatives
MiniMax M2.5MiniMax$0.27$1.08204,800—Alternatives
DeepSeek V3 0324DeepSeek$0.29$1.14163,840—Alternatives
Highlighted: lowest in column. “Listed” is what our records state: modalities, and whether a batch or free offer exists.

What a window-filling request costs here

One prompt that fills the model’s context window plus up to 4,000 output tokens · Σ derived

$0.01
$0.03
$0.03
DeepSeek V3.1164K window
$0.04
DeepSeek V3.2164K window
$0.05
MiniMax M2.7205K window
$0.05
$0.05
DeepSeek V3 0324164K window
$0.05
MiniMax M2.5205K window
$0.06

Arithmetic from the listed standard-tier rates, not a quote; the cheapest list price is not always the cheapest full-window request.

Neighbouring squares

One step cheaper, pricier, smaller or larger

Questions about square C3

What is the cheapest AI model with 128–256K tokens of context at $0.10–0.30 input?
Ministral 3 3B 2512 at $0.10 per 1M input tokens and $0.10 output. The other 9 in C3: Llama Guard 4 12B, Nemotron 3.5 Content Safety, MiniMax M2.7, Llama 3.3 70B Instruct, DeepSeek V3.1 and 4 more.
Which C3 model is cheapest for a request that fills its context window?
Ministral 3 3B 2512, at about $0.01 for a prompt that fills its 131K window plus its output. The dearest of the 10 is MiniMax M2.5 at $0.06. The cheapest list price is not always the cheapest full-window request, because windows differ within a square.
Are any C3 models open-weight?
None of the 10 is marked open-weight in our records.
What does grid reference C3 mean?
C is the price column ($0.10–0.30 per 1M input tokens) and 3 is the context row (128–256K). Models in the same square are like-for-like on price and context only; the grid says nothing about quality.

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