What is the cheapest AI model for summarization?

The cheapest AI models for summarization are GPT-oss 20B ($0.08/$0.35 per 1M tokens), Mistral Small 4 ($0.15/$0.60), and DeepSeek V4 Flash ($0.22/$0.66). For high-quality summaries of complex documents, DeepSeek V4 Pro ($0.66/$1.98) offers the best quality-to-cost ratio.

How much does AI summarization cost?

Summarizing a 10,000-word document (~13,000 input tokens, ~500 output tokens) costs: $0.001 with GPT-oss 20B, $0.003 with DeepSeek V4 Flash, $0.02 with Claude Haiku 4.5, and $0.08 with GPT-5.4. Budget models handle most summarization tasks well.

Which AI model produces the best summaries?

For accuracy and nuance, Claude Sonnet 5 and GPT-5.4 produce the best summaries. But for most use cases (meeting notes, article summaries, document extraction), budget models like DeepSeek V4 Pro produce 90% of the quality at 10% of the cost.

Cheapest AI Model for Summarization in 2026

Compare 94 AI models ranked by cost for text and document summarization. Find the cheapest model that meets your quality requirements.

Last updated: Jul 9, 2026 · 95 models · 11 providers

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🏆 Top 5 Cheapest Models for Summarization

Ranked by monthly cost: 5,000 documents/day with 13,000 input tokens (document) and 500 output tokens (summary) each.

#	Model	Tier	Input/1M	Output/1M	Monthly	Savings

📊 Calculate Your Summarization Cost

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Complete Summarization Cost Ranking

#	Model	Provider	Tier	Input/1M	Output/1M	Monthly

🔄 Switch to a Cheaper Summarization Model

Python — GPT-5.4 → DeepSeek V4 Pro for summarization

# Before: GPT-5.4 ($2.50/$15.00 per 1M tokens)
from openai import OpenAI
client = OpenAI()
response = client.chat.completions.create(
    model="gpt-5.4",
    messages=[
        {"role": "system", "content": "Summarize the following document in 3-5 bullet points."},
        {"role": "user", "content": document_text}
    ]
)

# After: DeepSeek V4 Pro ($0.66/$1.98 per 1M tokens) — 96% cheaper
client = OpenAI(base_url="https://api.deepseek.com/v1", api_key="key")
response = client.chat.completions.create(
    model="deepseek-chat",
    messages=[
        {"role": "system", "content": "Summarize the following document in 3-5 bullet points."},
        {"role": "user", "content": document_text}
    ]
)
                

⚖️ Summarization Quality by Tier

Budget ($0.08–$0.50/1M input)

Great for meeting notes, article digests, FAQ extraction. Handles straightforward documents well. May miss nuance in legal/medical text.

Mid-Tier ($0.50–$3.00/1M input)

Excellent for most summarization: research papers, reports, long emails. Preserves context and handles complex documents. DeepSeek V4 Pro, GPT-4o, Claude Haiku 4.5.

Premium ($3–$30/1M input)

Best for high-stakes summarization: legal contracts, medical records, financial reports where accuracy is critical. Claude Sonnet 5, GPT-5.4.

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