Model Comparison for Content Writing
All costs assume 500 input tokens (prompt + outline) and 3,000 output tokens (the article) per request, at 200 requests per month (roughly 7 articles/day). Content writing is output-heavy, so output pricing dominates.
| Model | Provider | Input / 1M | Output / 1M | Monthly Cost | Quality |
|---|---|---|---|---|---|
| DeepSeek V4 Flash | DeepSeek | $0.14 | $0.28 | $0.17 | Good |
| Mistral Small 4 | Mistral | $0.10 | $0.30 | $0.18 | Good |
| Gemini 2.5 Flash-Lite | $0.10 | $0.40 | $0.24 | Good | |
| Llama 4 Scout | Meta (Together.ai) | $0.11 | $0.34 | $0.21 | Good |
| GPT-4o mini | OpenAI | $0.15 | $0.60 | $0.36 | Great |
| GPT-5 mini | OpenAI | $0.40 | $1.60 | $0.96 | Great |
| Claude Haiku 4.5 | Anthropic | $0.80 | $4.00 | $2.40 | Great |
| GPT-4o | OpenAI | $2.50 | $10.00 | $6.00 | Excellent |
| Claude Sonnet 4.6 | Anthropic | $3.00 | $15.00 | $9.00 | Excellent |
| GPT-5 | OpenAI | $10.00 | $30.00 | $18.00 | Excellent |
| Claude 4 Opus | Anthropic | $15.00 | $75.00 | $45.00 | Excellent |
Best Model by Budget
Because content writing is so output-heavy, the model you choose has an outsized impact on cost.
Under $1/month
Ideal for side projects, personal blogs, and experimentation
- DeepSeek V4 Flash — $0.17/mo. Cheapest option. Good quality for straightforward content.
- Mistral Small 4 — $0.18/mo. Slightly better instruction following than DeepSeek.
- Llama 4 Scout (1M context) window is overkill for writing, but the price is right.
$1 – $5/month
Ideal for small content teams and marketing blogs
- GPT-4o mini — $0.36/mo. Best balance of cost and quality. Excellent at following style guides.
- GPT-5 mini — $0.96/mo. Noticeably better quality than GPT-4o mini for nuanced content.
$5 – $20/month
Ideal for agencies and high-volume content production
- GPT-4o — $6.00/mo. Top-tier writing quality. Best for client-facing content and thought leadership.
- Claude Sonnet 4.6 — $9.00/mo. Excellent at maintaining consistent voice and tone across long pieces.
$20+/month
Ideal for premium content where quality is non-negotiable
- GPT-5 — $18.00/mo. Flagship quality for high-stakes content.
- Claude 4 Opus — $45.00/mo. Best long-form writing of any model. Worth it for premium publications.
GPT-4o mini
For most content writing workloads, GPT-4o mini delivers the best cost-to-quality ratio. At $0.36/month for 200 articles, it produces clean, well-structured content that needs minimal editing. The output quality jump from budget models justifies the 2x price increase.
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