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HomeAI Cost per TaskWrite a tailored cover letter

Writing

What it costs to write a tailored cover letter

A résumé and a job posting in; a letter written against that specific posting out.

Pricing verified: September 2026

The short answer

Between $0.0001 and $0.0099 per run, depending on the model. That is a 86× spread for the same job.

Cheapest that fits
Gemma 2 9B
$0.0001
$0.0029 at 25 applications a month
Best value
GPT-5.6 Luna
$0.0011
$0.028 at 25 applications a month
Highest quality
Claude Sonnet 5
$0.0099
$0.248 at 25 applications a month

How this is calculated

A two-page résumé plus a full job posting ≈ 1,650 words ≈ 2,200 input tokens. A 400-word letter ≈ 550 output tokens.

2,200 input tokens550 output tokens3k 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 25 applications a monthContext
Gemma 2 9BGoogle$0.0001$0.00298k tokens
Llama 3.1 8B InstructMeta$0.0002$0.003916k tokens
Llama 3.2 1B InstructMeta$0.0002$0.004260k tokens
gpt-oss-safeguard-20bOpenAI$0.0003$0.0066131k tokens
Ministral 3 3B 2512Mistral$0.0003$0.0069131k tokens
Mistral Small 3.2 24BMistral$0.0003$0.0069128k tokens
Gemini 2.0 Flash LiteGoogle$0.0003$0.00831.0M tokens
GPT-5 NanoOpenAI$0.0003$0.0083400k tokens
Mistral 7B Instruct v0.1Mistral$0.0003$0.00873k tokens
Devstral Small 1.1Mistral$0.0004$0.0096131k tokens
Mistral Small 3.1Mistral$0.0004$0.0096128k tokens
Mistral Small CreativeMistral$0.0004$0.009633k tokens
Voxtral Small 24B 2507Mistral$0.0004$0.009632k tokens
Llama 3 8B InstructMeta$0.0004$0.00968k tokens
Ministral 3 8B 2512Mistral$0.0004$0.010262k tokens
Mistral NemoMistral$0.0004$0.010131k tokens
Gemini 2.0 FlashGoogle$0.0004$0.0111.0M tokens
Gemini 2.5 Flash LiteGoogle$0.0004$0.0111.0M tokens
Gemini 2.5 Flash Lite Preview 09-2025Google$0.0004$0.0111.0M tokens
GPT-4.1 NanoOpenAI$0.0004$0.0111.0M tokens
DeepSeek V4-FlashDeepSeek$0.0005$0.0121M tokens
Llama Guard 4 12BMeta$0.0005$0.012164k tokens
Gemma 4 26B A4BGoogle$0.0005$0.013262k tokens
Ministral 3 14B 2512Mistral$0.0006$0.014262k tokens
GLM-5.3 FlashZ.ai$0.0006$0.0151M tokens
Qwen 3.8 FlashAlibaba$0.0006$0.015991k tokens
GPT-4o MiniOpenAI$0.0007$0.017128k tokens
Mistral Small 4Mistral$0.0007$0.017262k tokens
SabaMistral$0.0008$0.01933k tokens
Grok 3 MinixAI$0.0009$0.023131k tokens
Grok 3 Mini BetaxAI$0.0009$0.023131k tokens
Llama 3.2 11B Vision InstructMeta$0.0009$0.024131k tokens
Llama Guard 3 8BMeta$0.0011$0.027131k tokens
Mistral Small 3Mistral$0.0011$0.02733k tokens
GPT-5.6 LunaOpenAI$0.0011$0.0281.1M tokens
Llama 3.1 70B InstructMeta$0.0011$0.028131k tokens
Codestral 2508Mistral$0.0012$0.029256k tokens
DeepSeek V3DeepSeek$0.0012$0.030128k tokens
Claude 3 HaikuAnthropic$0.0012$0.031200k tokens
Grok Code Fast 1xAI$0.0013$0.032256k tokens
Gemini 3 Flash PreviewGoogle$0.0014$0.0341.0M tokens
Gemma 4 31BGoogle$0.0014$0.035262k tokens
DeepSeek V4-ProDeepSeek$0.0014$0.0361M tokens
Mixtral 8x7B InstructMistral$0.0015$0.03733k tokens
Llama 3 70B InstructMeta$0.0015$0.0388k tokens
Muse Glimmer 30BMeta$0.0016$0.040131k tokens
GPT-5 MiniOpenAI$0.0016$0.041400k tokens
GPT-5.1-Codex-MiniOpenAI$0.0016$0.041400k tokens
Llama 4 ScoutMeta$0.0018$0.044512k tokens
GPT-4.1 MiniOpenAI$0.0018$0.0441.0M tokens
Gemma 2 27BGoogle$0.0018$0.0458k tokens
GPT-3.5 TurboOpenAI$0.0019$0.04816k tokens
Mistral Large 3 2512Mistral$0.0019$0.048262k tokens
Devstral 2 2512Mistral$0.0020$0.050262k tokens
Devstral MediumMistral$0.0020$0.050131k tokens
Mistral Medium 3Mistral$0.0020$0.050131k tokens
Mistral Medium 3.1Mistral$0.0020$0.050131k tokens
Gemini 2.5 FlashGoogle$0.0020$0.0511.0M tokens
Gemini 3.5 Flash-LiteGoogle$0.0020$0.0511.0M tokens
Nano Banana (Gemini 2.5 Flash Image)Google$0.0020$0.05133k tokens
Llama 4 MaverickMeta$0.0022$0.055256k tokens
DeepSeek R1DeepSeek$0.0024$0.060128k tokens
GPT Audio MiniOpenAI$0.0026$0.066128k tokens
Gemini 3.1 FlashGoogle$0.0027$0.0691M tokens
GPT-3.5 Turbo (older v0613)OpenAI$0.0033$0.0834k tokens
Codestral 25.01Mistral$0.0035$0.087256k tokens
Gemini 3.6 FlashGoogle$0.0037$0.0931.0M tokens
Gemini 3.7 FlashGoogle$0.0037$0.0931.0M tokens
Claude 3.5 HaikuAnthropic$0.0040$0.099200k tokens
Claude 4 HaikuAnthropic$0.0040$0.099200k tokens
Kimi K2.7 CodeMoonshot$0.0043$0.107256k tokens
GPT-3.5 Turbo InstructOpenAI$0.0044$0.1104k tokens
o3 MiniOpenAI$0.0048$0.121200k tokens
o3 Mini HighOpenAI$0.0048$0.121200k tokens
o4 MiniOpenAI$0.0048$0.121200k tokens
o4 Mini HighOpenAI$0.0048$0.121200k tokens
Claude Haiku 4.5Anthropic$0.0050$0.124200k tokens
Muse SparkMeta$0.0051$0.1271.0M tokens
GPT-5.2 MiniOpenAI$0.0053$0.132128k tokens
GLM-5.2Z.ai$0.0055$0.1371M tokens
GLM-5.3Z.ai$0.0055$0.1371M tokens
GPT-5 Image MiniOpenAI$0.0066$0.165400k tokens
Mistral Medium 3.5Mistral$0.0074$0.186256k tokens
Grok 4xAI$0.0077$0.1932M tokens
Grok 4.5xAI$0.0077$0.193500k tokens
Grok 4.6xAI$0.0077$0.193500k tokens
Mixtral 8x22B InstructMistral$0.0077$0.19366k tokens
Pixtral Large 2411Mistral$0.0077$0.193131k tokens
Qwen 3.8 MaxAlibaba$0.0077$0.1931M tokens
GPT-5OpenAI$0.0083$0.206400k tokens
GPT-5 ChatOpenAI$0.0083$0.206128k tokens
GPT-5 CodexOpenAI$0.0083$0.206400k tokens
GPT-5.1OpenAI$0.0083$0.206400k tokens
GPT-5.1 ChatOpenAI$0.0083$0.206128k tokens
GPT-5.1-CodexOpenAI$0.0083$0.206400k tokens
GPT-5.1-Codex-MaxOpenAI$0.0083$0.206400k tokens
Gemini 2.5 ProGoogle$0.0083$0.2061.0M tokens
Gemini 2.5 Pro Preview 05-06Google$0.0083$0.2061.0M tokens
Gemini 2.5 Pro Preview 06-05Google$0.0083$0.2061.0M tokens
Gemini 3.5 FlashGoogle$0.0083$0.2061.0M tokens
GPT-3.5 Turbo 16kOpenAI$0.0088$0.22016k tokens
GPT-4.1OpenAI$0.0088$0.2201.0M tokens
o3OpenAI$0.0088$0.220200k tokens
o4 Mini Deep ResearchOpenAI$0.0088$0.220200k tokens
Qwen 3.7 MaxAlibaba$0.0096$0.2411M tokens
Claude Sonnet 5Anthropic$0.0099$0.2481M tokens
GPT-5.6 SolOpenAI$0.0099$0.2481.1M tokens
GPT-5.6 TerraOpenAI$0.011$0.2751.1M tokens
Gemini 3.1 ProGoogle$0.011$0.2752M tokens
Nano Banana Pro (Gemini 3 Pro Image Preview)Google$0.011$0.27566k tokens
GPT AudioOpenAI$0.011$0.275128k tokens
GPT-4oOpenAI$0.011$0.275128k tokens
GPT-5.2OpenAI$0.012$0.289200k tokens
GPT-5.3 ChatOpenAI$0.012$0.289128k tokens
GPT-5.3-CodexOpenAI$0.012$0.289400k tokens
Mistral Large 2Mistral$0.012$0.289128k tokens
GPT-5.4OpenAI$0.014$0.344272k tokens
Claude 3.7 Sonnet (thinking)Anthropic$0.015$0.371200k tokens
Claude Sonnet 4Anthropic$0.015$0.371200k tokens
Claude Sonnet 4.5Anthropic$0.015$0.3711M tokens
Claude Sonnet 4.6Anthropic$0.015$0.3711M tokens
Grok 3xAI$0.015$0.371131k tokens
Grok 3 BetaxAI$0.015$0.371131k tokens
Kimi K3Moonshot$0.015$0.3711M tokens
Claude Opus 4.5Anthropic$0.025$0.619200k tokens
Claude Opus 4.6Anthropic$0.025$0.6191M tokens
Claude Opus 4.7Anthropic$0.025$0.6191M tokens
Claude Opus 4.8Anthropic$0.025$0.6191M tokens
Claude Opus 5Anthropic$0.025$0.6191M tokens
GPT-5 ImageOpenAI$0.028$0.688400k tokens
GPT-5.5OpenAI$0.028$0.6881M tokens
Claude 3.5 SonnetAnthropic$0.030$0.743200k tokens
GPT-4 TurboOpenAI$0.039$0.963128k tokens
GPT-4 Turbo (older v1106)OpenAI$0.039$0.963128k tokens
GPT-4 Turbo PreviewOpenAI$0.039$0.963128k tokens
o3 Deep ResearchOpenAI$0.044$1.10200k tokens
Claude Fable 5Anthropic$0.050$1.241M tokens
Claude Fable 5.1Anthropic$0.050$1.241M tokens
Claude Mythos 5Anthropic$0.050$1.241M tokens
Claude Mythos 5.1Anthropic$0.050$1.241M tokens
GPT-6 AstraOpenAI$0.050$1.241.1M tokens
o1OpenAI$0.066$1.65200k tokens
Claude Opus 4Anthropic$0.074$1.86200k tokens
Claude Opus 4.1Anthropic$0.074$1.86200k tokens
o3 ProOpenAI$0.088$2.20200k tokens
GPT-4OpenAI$0.099$2.488k tokens
GPT-4 (older v0314)OpenAI$0.099$2.488k tokens
GPT-5 ProOpenAI$0.099$2.48400k tokens
o1-proOpenAI$0.660$16.50200k 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?

A whole job search costs pennies at API rates, so almost nobody should be paying per token for this — the free consumer tiers cover it comfortably. The API figures below matter only if you are building a tool that writes letters for other people.

Price your own token counts →best ai for cover letters →best ai for resumes →best ai for job applications →best free ai →

Frequently asked

How much does it cost to write a cover letter with AI?

$0.0001 on Gemma 2 9B, the cheapest capable option, rising to $0.0099 on Claude Sonnet 5 at the top end. GPT-5.6 Luna is the value pick at $0.0011 per run. The job is priced at 2,200 input and 550 output tokens — see the working below.

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

A two-page résumé plus a full job posting ≈ 1,650 words ≈ 2,200 input tokens. A 400-word letter ≈ 550 output tokens.

What does this cost at 25 applications a month?

$0.0029 a month on Gemma 2 9B, $0.028 on GPT-5.6 Luna, and $0.248 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?

A whole job search costs pennies at API rates, so almost nobody should be paying per token for this — the free consumer tiers cover it comfortably. The API figures below matter only if you are building a tool that writes letters for other people.

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
Documents
Translate a 50-page document
Writing
Write a 1,500-word blog post
Writing
Write 1,000 product descriptions
Engineering
Review a 500-line pull request

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