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The Atlas · column F ($3–10) · row 6 (>1M)

GRIDF6 Models at $3–10 per 1M input with over 1M tokens of context

1 model · 1 creatorChecked 17 Aug 2026

Open the map
GPT-5.5 is the only model in F6: $5.00 per 1M input tokens, over 1M tokens of context. A request that fills each model’s window costs $5.37 here, because windows differ within a square.
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ModelsAtlas. “Models at $3–10 per 1M input with over 1M tokens of context”. Retrieved 17 Aug 2026. https://modelsatlas.com/atlas/f6

Models in F6

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

ModelInputOutputContextListed
GPT-5.5OpenAI$5.00$30.001,050,000batch 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

GPT-5.51.05M window
$5.37

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

← cheaper7GRIDE6$1–3 per 1M input, >1M context: Grok 4.20, Grok 4.20 Multi-Agent and 5 more.pricier →1GRIDG6$10–30 per 1M input, >1M context: GPT-6 Astra.↓ smaller8GRIDF5$3–10 per 1M input, 1M context: Claude Sonnet 4.5, Claude Sonnet 4.6 and 6 more.

Questions about square F6

What is the cheapest AI model with over 1M tokens of context at $3–10 input?
GPT-5.5 at $5.00 per 1M input tokens and $30.00 output. It is the only model in F6.
Which F6 model is cheapest for a request that fills its context window?
GPT-5.5, at about $5.37 for a prompt that fills its 1.05M window plus its output. The cheapest list price is not always the cheapest full-window request, because windows differ within a square.
Are any F6 models open-weight?
None of the 1 is marked open-weight in our records.
What does grid reference F6 mean?
F is the price column ($3–10 per 1M input tokens) and 6 is the context row (>1M). Models in the same square are like-for-like on price and context only; the grid says nothing about quality.

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