OpenAIGPT-4.1 pricing
$2.00 per 1M input tokens and $8.00 per 1M output tokens. In real work that is 0.54¢ per chat answer and 3.0¢ to summarize a 20-page PDF.
What GPT-4.1 costs per task
Token counts estimated from a measured model of the same lab (GPT-6.1 Sol), rescaled by tokenizer. Reasoning tokens are billed as output.
| Task | Cost | Tokens used | Price rank | Basis |
|---|---|---|---|---|
| Answer a chat question | 0.54¢$5.39 / 1,000 | 45 in · 560 out · 103 reasoning | 227 of 336 | estimated |
| Reply to a customer email | 0.15¢$1.52 / 1,000 | 258 in · 126 out | 203 of 336 | estimated |
| Write a 1,500-word blog post | 1.8¢$18.42 / 1,000 | 59 in · 2,116 out · 172 reasoning | 232 of 336 | estimated |
| Write 10 product descriptions | 1.00¢$9.97 / 1,000 | 283 in · 1,103 out · 72 reasoning | 208 of 336 | estimated |
| Translate 1,000 words | 1.3¢$13.32 / 1,000 | 1,330 in · 1,289 out · 44 reasoning | 202 of 336 | estimated |
| Proofread one page (500 words) | 0.67¢$6.73 / 1,000 | 718 in · 662 out | 238 of 336 | estimated |
| Summarize a 20-page PDF | 3.0¢$30.04 / 1,000 | 12,987 in · 482 out · 26 reasoning | 258 of 336 | estimated |
| Extract data from an invoice | 0.43¢$4.35 / 1,000 | 373 in · 450 out | 212 of 336 | estimated |
| Analyze a 200-row spreadsheet | 6.9¢$69.33 / 1,000 | 4,779 in · 919 out · 6,553 reasoning | 256 of 336 | estimated |
| Answer from 5 retrieved documents (RAG) | 1.1¢$10.92 / 1,000 | 3,690 in · 442 out | 242 of 336 | estimated |
| Classify 100 support tickets | 0.67¢$6.67 / 1,000 | 1,261 in · 442 out · 77 reasoning | 164 of 336 | estimated |
| Review 500 lines of code | 4.1¢$40.94 / 1,000 | 4,557 in · 1,135 out · 2,843 reasoning | 241 of 336 | estimated |
| Write a SQL query | 0.39¢$3.92 / 1,000 | 126 in · 312 out · 147 reasoning | 201 of 336 | estimated |
| Run a 50-step coding agent | $1.36$1,361 / 1,000 | 2,237,500 in · 15,000 out | 254 of 336 | modeled |
Price at every provider
List prices per 1M tokens (input / output) at each host serving GPT-4.1 through OpenRouter today. Hosts can differ in quantization, context and speed.
| Provider | Input / output | Cached input | Context | Uptime |
|---|---|---|---|---|
 Azureunknown | $2.00 / $8.00 | $0.50 | 1M | 100% |
OpenAIunknown | $2.00 / $8.00 | $0.50 | 1M | 100% |
Azureunknown | $2.20 / $8.80 | $0.55 | 1M |
Price history
First seen in our price history on Apr 15, 2025 at $2.00 input / $8.00 output. The list price has not changed since.
FAQ
How much does GPT-4.1 cost?
GPT-4.1 costs $2.00 per 1 million input tokens and $8.00 per 1 million output tokens, with cached input at $0.50 (list price on Oct 18, 2026). In practice one chat answer costs about 0.54¢ and summarizing a 20-page PDF about 3.0¢.
Where is GPT-4.1 cheapest?
Among 3 providers we track, the lowest list price today is at Azure: $2.00 input and $8.00 output per 1M tokens.
Is the GPT-4.1 cost per task measured or estimated?
Estimated: GPT-4.1 was not run directly. Tokens come from GPT-6.1 Sol and are rescaled by the tokenizer of OpenAI. Real usage can differ.