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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: August 2026

The short answer

Between $0.0017 and $0.212 per run, depending on the model. That is a 123× spread for the same job.

Cheapest that fits
Mistral: Mistral Nemo
$0.0017
$0.069 at 40 documents a month
Best value
GPT-5.6 Luna
$0.025
$0.994 at 40 documents a month
Highest quality
Claude Sonnet 5
$0.212
$8.50 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
Mistral: Mistral NemoMistral$0.0017$0.069131k tokens
Google: Gemma 2 9Bneeds chunkingGoogle$0.0042$0.1698k tokens
Meta: Llama 3.1 8B Instructneeds chunkingMeta$0.0045$0.18016k tokens
Mistral: Ministral 3 3B 2512Mistral$0.0068$0.274131k tokens
OpenAI: GPT-5 NanoOpenAI$0.0080$0.320400k tokens
Meta: Llama 3.2 1B Instructneeds chunkingMeta$0.0081$0.32360k tokens
OpenAI: GPT-4.1 NanoOpenAI$0.0088$0.3531.0M tokens
Meta: Llama 3 8B Instructneeds chunkingMeta$0.0096$0.3848k tokens
Mistral: Mistral Small 3.2 24BMistral$0.0096$0.385128k tokens
Mistral: Ministral 3 8B 2512Mistral$0.010$0.411262k tokens
Mistral: Mistral 7B Instruct v0.1needs chunkingMistral$0.010$0.4173k tokens
Meta: Llama Guard 4 12BMeta$0.012$0.493164k tokens
GPT-4oOpenAI$0.013$0.529128k tokens
Google: Gemini 2.0 Flash LiteGoogle$0.013$0.5291.0M tokens
OpenAI: gpt-oss-safeguard-20bOpenAI$0.013$0.529131k tokens
Mistral: Ministral 3 14B 2512Mistral$0.014$0.548262k tokens
Llama 4 ScoutMeta$0.014$0.562512k tokens
Mistral: Devstral Small 1.1Mistral$0.014$0.562131k tokens
Mistral: Mistral Small Creativeneeds chunkingMistral$0.014$0.56233k tokens
Mistral: Voxtral Small 24B 2507needs chunkingMistral$0.014$0.56232k tokens
DeepSeek V4-FlashDeepSeek$0.015$0.5851M tokens
Llama Guard 3 8BMeta$0.017$0.667131k tokens
Google: Gemini 2.0 FlashGoogle$0.018$0.7061.0M tokens
Google: Gemini 2.5 Flash LiteGoogle$0.018$0.7061.0M tokens
Google: Gemini 2.5 Flash Lite Preview 09-2025Google$0.018$0.7061.0M tokens
Gemma 4 26B A4BGoogle$0.019$0.745262k tokens
Gemma 4 31BGoogle$0.019$0.758262k tokens
Meta: Llama 3.2 11B Vision InstructMeta$0.024$0.945131k tokens
GPT-5.6 LunaOpenAI$0.025$0.9941.1M tokens
GPT-4o MiniOpenAI$0.026$1.06128k tokens
Mistral: Mistral Small 4Mistral$0.026$1.06262k tokens
Meta: Llama 3.1 70B InstructMeta$0.027$1.10131k tokens
xAI: Grok 3 MinixAI$0.028$1.11131k tokens
xAI: Grok 3 Mini BetaxAI$0.028$1.11131k tokens
Mistral: Sabaneeds chunkingMistral$0.028$1.1233k tokens
Mistral Small 3.1Mistral$0.031$1.26128k tokens
Mistral: Mistral Small 3needs chunkingMistral$0.031$1.2633k tokens
OpenAI: GPT-3.5 Turboneeds chunkingOpenAI$0.035$1.4016k tokens
Llama 4 MaverickMeta$0.035$1.41256k tokens
OpenAI: GPT-4.1 MiniOpenAI$0.035$1.411.0M tokens
Mistral: Mixtral 8x7B Instructneeds chunkingMistral$0.037$1.4833k tokens
Mistral: Codestral 2508Mistral$0.042$1.69256k tokens
Meta: Llama 3 70B Instructneeds chunkingMeta$0.043$1.738k tokens
Google: Gemma 2 27Bneeds chunkingGoogle$0.045$1.788k tokens
DeepSeek V4-ProDeepSeek$0.045$1.821M tokens
DeepSeek V3DeepSeek$0.048$1.94128k tokens
Google: Gemini 2.5 FlashGoogle$0.050$1.991.0M tokens
Anthropic: Claude 3 HaikuAnthropic$0.053$2.13200k tokens
xAI: Grok Code Fast 1xAI$0.060$2.42256k tokens
Google: Gemini 3 Flash PreviewGoogle$0.062$2.481.0M tokens
Mistral: Mistral Large 3 2512Mistral$0.070$2.81262k tokens
Gemini 3.6 FlashGoogle$0.080$3.191.0M tokens
OpenAI: GPT-5 MiniOpenAI$0.080$3.21400k tokens
OpenAI: GPT-5.1-Codex-MiniOpenAI$0.080$3.21400k tokens
Mistral: Devstral 2 2512Mistral$0.085$3.40262k tokens
Mistral: Devstral MediumMistral$0.085$3.40131k tokens
Mistral: Mistral Medium 3Mistral$0.085$3.40131k tokens
Mistral: Mistral Medium 3.1Mistral$0.085$3.40131k tokens
DeepSeek R1DeepSeek$0.097$3.87128k tokens
OpenAI: o3 MiniOpenAI$0.097$3.88200k tokens
OpenAI: o3 Mini HighOpenAI$0.097$3.88200k tokens
OpenAI: o4 MiniOpenAI$0.097$3.88200k tokens
OpenAI: o4 Mini HighOpenAI$0.097$3.88200k tokens
Gemini 3.5 Flash-LiteGoogle$0.100$3.991.0M tokens
Google: Nano Banana (Gemini 2.5 Flash Image)needs chunkingGoogle$0.100$3.9933k tokens
OpenAI: GPT-3.5 Turbo (older v0613)needs chunkingOpenAI$0.104$4.184k tokens
OpenAI: GPT Audio MiniOpenAI$0.106$4.24128k tokens
Anthropic: Claude Haiku 4.5Anthropic$0.106$4.25200k tokens
OpenAI: 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
OpenAI: GPT-5 Image MiniOpenAI$0.153$6.13400k tokens
Anthropic: 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
OpenAI: GPT-4.1OpenAI$0.176$7.061.0M tokens
OpenAI: o3OpenAI$0.176$7.06200k tokens
Gemini 3.5 FlashGoogle$0.186$7.451.0M tokens
Muse SparkMeta$0.194$7.741.0M tokens
Google: Gemini 2.5 ProGoogle$0.200$8.011.0M tokens
OpenAI: GPT-5 CodexOpenAI$0.200$8.01400k tokens
GLM-5.2Z.ai$0.204$8.161M tokens
GPT-5.2 MiniOpenAI$0.212$8.47128k tokens
Claude Sonnet 5Anthropic$0.212$8.501M tokens
GPT-5.6 SolOpenAI$0.212$8.501.1M tokens
OpenAI: GPT-3.5 Turbo 16kneeds chunkingOpenAI$0.241$9.6616k tokens
GPT-5.6 TerraOpenAI$0.248$9.941.1M tokens
OpenAI: GPT-5OpenAI$0.248$9.94400k tokens
Grok 4xAI$0.281$11.242M tokens
Grok 4.5xAI$0.281$11.24500k tokens
Mistral Large 2Mistral$0.281$11.24128k tokens
Mistral: Mixtral 8x22B Instructneeds chunkingMistral$0.281$11.2466k tokens
Mistral: Pixtral Large 2411Mistral$0.281$11.24131k tokens
Qwen 3.8 MaxAlibaba$0.281$11.241M tokens
Anthropic: Claude Sonnet 4.5Anthropic$0.319$12.751M tokens
Claude Sonnet 4.6Anthropic$0.319$12.751M tokens
Mistral Medium 3.5Mistral$0.319$12.75256k tokens
Qwen 3.7 MaxAlibaba$0.351$14.051M tokens
OpenAI: o4 Mini Deep ResearchOpenAI$0.353$14.12200k tokens
Google: Gemini 2.5 Pro Preview 05-06Google$0.401$16.021.0M tokens
Google: Gemini 2.5 Pro Preview 06-05Google$0.401$16.021.0M tokens
OpenAI: GPT-5 ChatOpenAI$0.401$16.02128k tokens
OpenAI: GPT-5.1OpenAI$0.401$16.02400k tokens
OpenAI: GPT-5.1 ChatOpenAI$0.401$16.02128k tokens
OpenAI: GPT-5.1-CodexOpenAI$0.401$16.02400k tokens
OpenAI: GPT-5.1-Codex-MaxOpenAI$0.401$16.02400k tokens
OpenAI: GPT AudioOpenAI$0.441$17.65128k tokens
Gemini 3.1 ProGoogle$0.497$19.882M tokens
Google: Nano Banana Pro (Gemini 3 Pro Image Preview)needs chunkingGoogle$0.497$19.8866k tokens
Claude Opus 5Anthropic$0.531$21.251M tokens
OpenAI: GPT-5.3 ChatOpenAI$0.561$22.44128k tokens
OpenAI: GPT-5.3-CodexOpenAI$0.561$22.44400k tokens
GPT-5.4OpenAI$0.621$24.85272k tokens
Anthropic: Claude 3.7 Sonnet (thinking)Anthropic$0.637$25.50200k tokens
Anthropic: Claude Sonnet 4Anthropic$0.637$25.50200k tokens
Kimi K3Moonshot$0.637$25.501M tokens
xAI: Grok 3xAI$0.637$25.50131k tokens
xAI: Grok 3 BetaxAI$0.637$25.50131k tokens
OpenAI: GPT-5 ImageOpenAI$0.685$27.40400k tokens
OpenAI: GPT-4 TurboOpenAI$0.702$28.10128k tokens
Anthropic: Claude Opus 4.5Anthropic$1.06$42.50200k tokens
Claude Fable 5Anthropic$1.06$42.501M tokens
Claude Opus 4.7Anthropic$1.06$42.501M tokens
Claude Opus 4.8Anthropic$1.06$42.501M tokens
GPT-5.5OpenAI$1.24$49.701M tokens
Anthropic: Claude 3.5 SonnetAnthropic$1.27$51.00200k tokens
OpenAI: o1OpenAI$1.32$52.95200k tokens
OpenAI: GPT-4 Turbo (older v1106)OpenAI$1.40$56.20128k tokens
OpenAI: GPT-4 Turbo PreviewOpenAI$1.40$56.20128k tokens
GPT-5.2OpenAI$1.76$70.32200k tokens
OpenAI: o3 Deep ResearchOpenAI$1.76$70.60200k tokens
OpenAI: o3 ProOpenAI$1.76$70.60200k tokens
Claude Mythos 5Anthropic$2.13$85.001M tokens
OpenAI: GPT-5 ProOpenAI$2.40$96.15400k tokens
OpenAI: GPT-4needs chunkingOpenAI$3.13$1258k tokens
OpenAI: GPT-4 (older v0314)needs chunkingOpenAI$3.13$1258k tokens
Anthropic: Claude Opus 4Anthropic$3.19$128200k tokens
Anthropic: Claude Opus 4.1Anthropic$3.19$128200k tokens
Claude Opus 4.6Anthropic$3.19$1281M tokens
OpenAI: o1-proOpenAI$13.24$530200k 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?

$0.0017 on Mistral: Mistral Nemo, the cheapest capable option, rising to $0.212 on Claude Sonnet 5 at the top end. GPT-5.6 Luna is the value pick at $0.025 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?

$0.069 a month on Mistral: Mistral Nemo, $0.994 on GPT-5.6 Luna, and $8.50 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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