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HomeAI Cost per TaskTranslate a 50-page document

Documents

What it costs to translate a 50-page document

A 50-page document translated in full — the rare job where output tokens outweigh input.

Pricing verified: September 2026

The short answer

Between $0.0068 and $0.425 per run, depending on the model. That is a 62× spread for the same job.

Cheapest that fits
Ministral 3 3B 2512
$0.0068
$0.274 at 40 documents a month
Best value
DeepSeek V4-Pro
$0.045
$1.82 at 40 documents a month
Highest quality
Claude Sonnet 5
$0.425
$17.00 at 40 documents a month

How this is calculated

50 pages of dense prose at ~500 words per page ≈ 32,500 input tokens. Translated output runs roughly 10% longer than the source in most European language pairs ≈ 36,000 output tokens.

32,500 input tokens36,000 output tokens69k tokens context needed

Cost = (input tokens ÷ 1M × input price) + (output tokens ÷ 1M × output price). Prices come from our daily-verified model data. Batch and cached-input discounts are not applied — they only ever make these numbers smaller.

Every model, cheapest first

ModelProviderPer runAt 40 documents a monthContext
Gemma 2 9Bneeds chunkingGoogle$0.0042$0.1698k tokens
Llama 3.1 8B Instructneeds chunkingMeta$0.0045$0.18016k tokens
Ministral 3 3B 2512Mistral$0.0068$0.274131k tokens
Llama 3.2 1B Instructneeds chunkingMeta$0.0081$0.32360k tokens
gpt-oss-safeguard-20bOpenAI$0.0095$0.379131k tokens
Llama 3 8B Instructneeds chunkingMeta$0.0096$0.3848k tokens
Mistral Small 3.2 24BMistral$0.0096$0.385128k tokens
Ministral 3 8B 2512Mistral$0.010$0.411262k tokens
Mistral NemoMistral$0.010$0.411131k tokens
Mistral 7B Instruct v0.1needs chunkingMistral$0.010$0.4173k tokens
Llama Guard 4 12BMeta$0.012$0.493164k tokens
Gemini 2.0 Flash LiteGoogle$0.013$0.5291.0M tokens
Ministral 3 14B 2512Mistral$0.014$0.548262k tokens
Devstral Small 1.1Mistral$0.014$0.562131k tokens
Mistral Small Creativeneeds chunkingMistral$0.014$0.56233k tokens
Voxtral Small 24B 2507needs chunkingMistral$0.014$0.56232k tokens
Mistral Small 3.1Mistral$0.014$0.562128k tokens
DeepSeek V4-FlashDeepSeek$0.015$0.5851M tokens
GPT-5 NanoOpenAI$0.016$0.641400k tokens
Llama Guard 3 8BMeta$0.017$0.667131k tokens
GPT-4.1 NanoOpenAI$0.018$0.7061.0M tokens
Gemini 2.0 FlashGoogle$0.018$0.7061.0M tokens
Gemini 2.5 Flash LiteGoogle$0.018$0.7061.0M tokens
Gemini 2.5 Flash Lite Preview 09-2025Google$0.018$0.7061.0M tokens
Gemma 4 26B A4BGoogle$0.019$0.745262k tokens
Qwen 3.8 FlashAlibaba$0.022$0.885991k tokens
GLM-5.3 FlashZ.ai$0.023$0.9151M tokens
Llama 3.2 11B Vision InstructMeta$0.024$0.945131k tokens
GPT-4o MiniOpenAI$0.026$1.06128k tokens
Mistral Small 4Mistral$0.026$1.06262k tokens
Llama 3.1 70B InstructMeta$0.027$1.10131k tokens
Grok 3 MinixAI$0.028$1.11131k tokens
Grok 3 Mini BetaxAI$0.028$1.11131k tokens
Sabaneeds chunkingMistral$0.028$1.1233k tokens
Mistral Small 3needs chunkingMistral$0.031$1.2633k tokens
Mixtral 8x7B Instructneeds chunkingMistral$0.037$1.4833k tokens
Codestral 2508Mistral$0.042$1.69256k tokens
Llama 3 70B Instructneeds chunkingMeta$0.043$1.738k tokens
Gemma 2 27Bneeds chunkingGoogle$0.045$1.788k tokens
DeepSeek V4-ProDeepSeek$0.045$1.821M tokens
Gemma 4 31BGoogle$0.048$1.90262k tokens
DeepSeek V3DeepSeek$0.048$1.94128k tokens
GPT-5.6 LunaOpenAI$0.050$1.991.1M tokens
Claude 3 HaikuAnthropic$0.053$2.13200k tokens
Llama 4 ScoutMeta$0.059$2.38512k tokens
Grok Code Fast 1xAI$0.060$2.42256k tokens
Gemini 3 Flash PreviewGoogle$0.062$2.481.0M tokens
Muse Glimmer 30BMeta$0.065$2.61131k tokens
GPT-3.5 Turboneeds chunkingOpenAI$0.070$2.8116k tokens
Mistral Large 3 2512Mistral$0.070$2.81262k tokens
GPT-4.1 MiniOpenAI$0.071$2.821.0M tokens
Llama 4 MaverickMeta$0.077$3.08256k tokens
GPT-5 MiniOpenAI$0.080$3.21400k tokens
GPT-5.1-Codex-MiniOpenAI$0.080$3.21400k tokens
Devstral 2 2512Mistral$0.085$3.40262k tokens
Devstral MediumMistral$0.085$3.40131k tokens
Mistral Medium 3Mistral$0.085$3.40131k tokens
Mistral Medium 3.1Mistral$0.085$3.40131k tokens
DeepSeek R1DeepSeek$0.097$3.87128k tokens
Gemini 2.5 FlashGoogle$0.100$3.991.0M tokens
Gemini 3.5 Flash-LiteGoogle$0.100$3.991.0M tokens
Nano Banana (Gemini 2.5 Flash Image)needs chunkingGoogle$0.100$3.9933k tokens
GPT-3.5 Turbo (older v0613)needs chunkingOpenAI$0.104$4.184k tokens
GPT Audio MiniOpenAI$0.106$4.24128k tokens
GPT-3.5 Turbo Instructneeds chunkingOpenAI$0.121$4.834k tokens
Gemini 3.1 FlashGoogle$0.124$4.971M tokens
Codestral 25.01Mistral$0.126$5.06256k tokens
GPT-5 Image MiniOpenAI$0.153$6.13400k tokens
Gemini 3.6 FlashGoogle$0.159$6.381.0M tokens
Gemini 3.7 FlashGoogle$0.159$6.381.0M tokens
Claude 3.5 HaikuAnthropic$0.170$6.80200k tokens
Claude 4 HaikuAnthropic$0.170$6.80200k tokens
Kimi K2.7 CodeMoonshot$0.175$7.00256k tokens
Muse SparkMeta$0.194$7.741.0M tokens
o3 MiniOpenAI$0.194$7.77200k tokens
o3 Mini HighOpenAI$0.194$7.77200k tokens
o4 MiniOpenAI$0.194$7.77200k tokens
o4 Mini HighOpenAI$0.194$7.77200k tokens
GLM-5.2Z.ai$0.204$8.161M tokens
GLM-5.3Z.ai$0.204$8.161M tokens
GPT-5.2 MiniOpenAI$0.212$8.47128k tokens
Claude Haiku 4.5Anthropic$0.212$8.50200k tokens
GPT-3.5 Turbo 16kneeds chunkingOpenAI$0.241$9.6616k tokens
Grok 4xAI$0.281$11.242M tokens
Grok 4.5xAI$0.281$11.24500k tokens
Grok 4.6xAI$0.281$11.24500k tokens
Mixtral 8x22B Instructneeds chunkingMistral$0.281$11.2466k tokens
Pixtral Large 2411Mistral$0.281$11.24131k tokens
Qwen 3.8 MaxAlibaba$0.281$11.241M tokens
Mistral Medium 3.5Mistral$0.319$12.75256k tokens
Qwen 3.7 MaxAlibaba$0.351$14.051M tokens
GPT-4.1OpenAI$0.353$14.121.0M tokens
o3OpenAI$0.353$14.12200k tokens
o4 Mini Deep ResearchOpenAI$0.353$14.12200k tokens
Gemini 3.5 FlashGoogle$0.373$14.911.0M tokens
GPT-5OpenAI$0.401$16.02400k tokens
GPT-5 ChatOpenAI$0.401$16.02128k tokens
GPT-5 CodexOpenAI$0.401$16.02400k tokens
GPT-5.1OpenAI$0.401$16.02400k tokens
GPT-5.1 ChatOpenAI$0.401$16.02128k tokens
GPT-5.1-CodexOpenAI$0.401$16.02400k tokens
GPT-5.1-Codex-MaxOpenAI$0.401$16.02400k tokens
Gemini 2.5 ProGoogle$0.401$16.021.0M tokens
Gemini 2.5 Pro Preview 05-06Google$0.401$16.021.0M tokens
Gemini 2.5 Pro Preview 06-05Google$0.401$16.021.0M tokens
Mistral Large 2Mistral$0.421$16.86128k tokens
Claude Sonnet 5Anthropic$0.425$17.001M tokens
GPT-5.6 SolOpenAI$0.425$17.001.1M tokens
GPT AudioOpenAI$0.441$17.65128k tokens
GPT-4oOpenAI$0.441$17.65128k tokens
GPT-5.6 TerraOpenAI$0.497$19.881.1M tokens
Gemini 3.1 ProGoogle$0.497$19.882M tokens
Nano Banana Pro (Gemini 3 Pro Image Preview)needs chunkingGoogle$0.497$19.8866k tokens
GPT-5.2OpenAI$0.561$22.44200k tokens
GPT-5.3 ChatOpenAI$0.561$22.44128k tokens
GPT-5.3-CodexOpenAI$0.561$22.44400k tokens
GPT-5.4OpenAI$0.621$24.85272k tokens
Claude 3.7 Sonnet (thinking)Anthropic$0.637$25.50200k tokens
Claude Sonnet 4Anthropic$0.637$25.50200k tokens
Claude Sonnet 4.5Anthropic$0.637$25.501M tokens
Claude Sonnet 4.6Anthropic$0.637$25.501M tokens
Grok 3xAI$0.637$25.50131k tokens
Grok 3 BetaxAI$0.637$25.50131k tokens
Kimi K3Moonshot$0.637$25.501M tokens
GPT-5 ImageOpenAI$0.685$27.40400k tokens
Claude Opus 4.5Anthropic$1.06$42.50200k tokens
Claude Opus 4.6Anthropic$1.06$42.501M tokens
Claude Opus 4.7Anthropic$1.06$42.501M tokens
Claude Opus 4.8Anthropic$1.06$42.501M tokens
Claude Opus 5Anthropic$1.06$42.501M tokens
GPT-5.5OpenAI$1.24$49.701M tokens
Claude 3.5 SonnetAnthropic$1.27$51.00200k tokens
GPT-4 TurboOpenAI$1.40$56.20128k tokens
GPT-4 Turbo (older v1106)OpenAI$1.40$56.20128k tokens
GPT-4 Turbo PreviewOpenAI$1.40$56.20128k tokens
o3 Deep ResearchOpenAI$1.76$70.60200k tokens
Claude Fable 5Anthropic$2.13$85.001M tokens
Claude Fable 5.1Anthropic$2.13$85.001M tokens
Claude Mythos 5Anthropic$2.13$85.001M tokens
Claude Mythos 5.1Anthropic$2.13$85.001M tokens
GPT-6 AstraOpenAI$2.13$85.001.1M tokens
o1OpenAI$2.65$106200k tokens
GPT-4needs chunkingOpenAI$3.13$1258k tokens
GPT-4 (older v0314)needs chunkingOpenAI$3.13$1258k tokens
Claude Opus 4Anthropic$3.19$128200k tokens
Claude Opus 4.1Anthropic$3.19$128200k tokens
o3 ProOpenAI$3.53$141200k tokens
GPT-5 ProOpenAI$4.81$192400k tokens
o1-proOpenAI$26.47$1,059200k tokens

“Needs chunking” means the model's context window can't hold this job in a single pass, so the real cost is higher than the figure shown and quality usually suffers.

Should you just pick the cheapest?

Translation is the one common task where you pay full output rates on the entire document, and output tokens are typically 3–5× the price of input. That inverts the usual ranking: models that look cheap on input-heavy work can be the expensive option here.

Price your own token counts →best ai for writing →ai model pricing comparison →best cheap api →ai api cost calculator →

Frequently asked

How much does it cost to translate a document with AI?

$0.0068 on Ministral 3 3B 2512, the cheapest capable option, rising to $0.425 on Claude Sonnet 5 at the top end. DeepSeek V4-Pro is the value pick at $0.045 per run. The job is priced at 32,500 input and 36,000 output tokens — see the working below.

How did you work out the token count for this task?

50 pages of dense prose at ~500 words per page ≈ 32,500 input tokens. Translated output runs roughly 10% longer than the source in most European language pairs ≈ 36,000 output tokens.

What does this cost at 40 documents a month?

$0.274 a month on Ministral 3 3B 2512, $1.82 on DeepSeek V4-Pro, and $17.00 on Claude Sonnet 5. Batch APIs typically halve these figures for work that can wait, and prompt caching cuts the input side further when the same context is reused.

Is the cheapest model the right choice for this task?

Translation is the one common task where you pay full output rates on the entire document, and output tokens are typically 3–5× the price of input. That inverts the usual ranking: models that look cheap on input-heavy work can be the expensive option here.

Are these prices current?

Yes. Every figure on this page is computed from our model pricing data, which is checked daily against each provider's official pricing page. When a provider changes a price, these numbers change with it.

What other AI tasks cost

Documents
Summarize a 100-page PDF
Documents
Summarize a 400-page book
Writing
Write a 1,500-word blog post
Writing
Write a tailored cover letter
Writing
Write 1,000 product descriptions
Engineering
Review a 500-line pull request

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