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GPT-4.1 (Fast)
openai·openai/gpt-4.1-fast·GA·Closed·gpt series
Long-lived GPT workhorse for coding, instruction following, and production apps
At a glance
Reference price$3.50 / $14.00 per 1M
Cache read $0.875 · Vercel AI Gateway
Lowest paid$3.50 / $14.00
Vercel AI Gateway Cloud
Context1,047,576
Output limit32,768
Capabilities
Reasoning✓ Tool use✓ Structured output✓ Temperature✓ Attachments
Modalities
TextImagePDF
Knowledge cutoff2024-04
Released / updated2025-04-14 / 2025-04-14
Quality & performance
Artificial Analysis doesn't cover this model (267 of 2059 have data). Quality data comes from independent evals covering widely used models.
Available at 1 providers1 with public prices
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| Vercel AI Gateway | Cloud | $3.50 | $14.00 | $0.875 | — | 1,047,576 | 32,768 |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Your usage cost
1Vercel AI Gateway$1,085.00
The cheapest paid channel is the only channel.
Related models
RouteLLMsame series$3.00 / $15.00GPT-Realtime-2.1same series$4.00 / $24.00NanoGPT Helpsame series$0 / $0Qwen3 Coder Pluscheaper alternative$1.00 / $5.00Qwen3 Coder Flashcheaper alternative$0.144 / $0.574Grok 4.20 (Non-Reasoning)cheaper alternative$1.25 / $2.50DeepSeek Chatcheaper alternative$0.14 / $0.28
Price historyone sample accumulated per data sync
Input list $3.50Output list $14.00Min blended $6.13
Price history accumulates from each data sync; currently only 1 sample(s) (2026-08-19). Each future sync adds a point, and once accumulated a line is drawn here.