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Models that can take a whole document

The 27 of 60 models Else can run with a context window of a million tokens or more — enough for a long document and a long answer in one request.

A model’s context window is the ceiling on everything in one request at once: your instructions, the material you attach, and the answer being written. 27 of the 60 models Else can run have a window of 1M tokens or more, which is enough to put a long document in and still have room for a long answer.

Model Runs as Context Input / 1M tokens Output / 1M tokens
gemini-2.5-flash-lite Exact engine pick 1M $0.12 $0.48
gpt-4.1-nano Exact engine pick 1M $0.12 $0.48
gemini-3.1-flash-lite Exact engine pick 1M $0.30 $1.80
gemini-2.5-flash Exact engine pick 1M $0.36 $3.00
gemini-3.5-flash-lite Exact engine pick 1M $0.36 $3.00
m3 Exact engine pick 1M $0.36 $1.44
gpt-4.1-mini Exact engine pick 1M $0.48 $1.92
gemini-3-flash Exact engine pick 1M $0.60 $3.60
gpt-5.6-luna Exact engine pick 1.1M $1.20 $7.20
gemini-2.5-pro Exact engine pick 1M $1.50 $12.00
grok-4.3 Exact engine pick 1M $1.50 $3.00
gemini-3.5-flash Exact engine pick 1M $1.80 $10.80
gemini-3.6-flash Fast tier default 1M $1.80 $9.00
claude-sonnet-5 Exact engine pick 1M $2.40 $12.00
gpt-4.1 Exact engine pick 1M $2.40 $9.60
grok-4.20-0309-non-reasoning Exact engine pick 2M $2.40 $7.20
grok-4.20-0309-reasoning Exact engine pick 2M $2.40 $7.20
gpt-5.4 Exact engine pick 1M $3.00 $18.00
gpt-5.6-terra Smart tier default 1.1M $3.00 $18.00
kimi-k3 Exact engine pick 1M $3.60 $18.00
claude-opus-4.6 Exact engine pick 1M $6.00 $30.00
claude-opus-4.7 Exact engine pick 1M $6.00 $30.00
claude-opus-4.8 Exact engine pick 1M $6.00 $30.00
claude-opus-5 Max tier default 1M $6.00 $30.00
gpt-5.5 Exact engine pick 1M $6.00 $36.00
gpt-5.6-sol Exact engine pick 1.1M $6.00 $36.00
claude-fable-5 Exact engine pick 1M $12.00 $60.00

Every price above is paired with how you reach that model: a named tier runs its model by default, and everything else is reached from Pick an exact engine in the composer’s engine menu.

Same models, with the window turned into something you can picture. A token is about ¾ of a word and a page about 500 words, so treat these as scale, not arithmetic:

Model Context window Roughly
gemini-2.5-flash-lite 1M tokens roughly 1.5k pages
gpt-4.1-nano 1M tokens roughly 1.5k pages
gemini-3.1-flash-lite 1M tokens roughly 1.5k pages
gemini-2.5-flash 1M tokens roughly 1.5k pages
gemini-3.5-flash-lite 1M tokens roughly 1.6k pages
m3 1M tokens roughly 1.5k pages
gpt-4.1-mini 1M tokens roughly 1.6k pages
gemini-3-flash 1M tokens roughly 1.5k pages
gpt-5.6-luna 1.1M tokens roughly 1.6k pages
gemini-2.5-pro 1M tokens roughly 1.5k pages
grok-4.3 1M tokens roughly 1.5k pages
gemini-3.5-flash 1M tokens roughly 1.6k pages
gemini-3.6-flash 1M tokens roughly 1.6k pages
claude-sonnet-5 1M tokens roughly 1.5k pages
gpt-4.1 1M tokens roughly 1.6k pages
grok-4.20-0309-non-reasoning 2M tokens roughly 3k pages
grok-4.20-0309-reasoning 2M tokens roughly 3k pages
gpt-5.4 1M tokens roughly 1.5k pages
gpt-5.6-terra 1.1M tokens roughly 1.6k pages
kimi-k3 1M tokens roughly 1.6k pages
claude-opus-4.6 1M tokens roughly 1.5k pages
claude-opus-4.7 1M tokens roughly 1.5k pages
claude-opus-4.8 1M tokens roughly 1.5k pages
claude-opus-5 1M tokens roughly 1.5k pages
gpt-5.5 1M tokens roughly 1.5k pages
gpt-5.6-sol 1.1M tokens roughly 1.6k pages
claude-fable-5 1M tokens roughly 1.5k pages

Context windows come from our own model catalog, which records the window the maker publishes. This page includes every model at 1M tokens or above. Two models on the full list record no window at all; they are not here, because we will not guess one.

A big window is a ceiling, not a promise. It says the request will fit — not that the model will use every part of it well, and not that it will be cheap: you pay per token, so filling a million-token window is a million tokens of input on your receipt. The page-count conversions are rough (a token is about ¾ of a word, a page about 500 words), and they are there for scale, not for planning a bill.

Prices last changed 2026-07-29 (source ced6a4f).