OpenAI: GPT-4.1
2 providers live- 2 live providers
- 100% uptime
- 1.20 s first token
- 334 tok/s output
GPT-4.1 is a flagship large language model optimized for advanced instruction following, real-world software engineering, and long-context reasoning. It supports a 1 million token context window and outperforms GPT-4o and GPT-4.5 across coding (54.6% SWE-bench Verified), instruction compliance (87.4% IFEval), and multimodal understanding benchmarks. It is tuned for precise code diffs, agent reliability, and high recall in large document contexts, making it ideal for agents, IDE tooling, and enterprise knowledge retrieval.
- Context
- 1M
- tokens
- Max output
- 32K
- tokens
- Input
- $2.00
- per million tokens
- Output
- $8.00
- per million tokens
Providers
Ranked by price and speed. Requests go to the best healthy provider, then fail over down the list.BenchmarksPrice history
No price changes since Oct 22, 2026.
- OpenAI$2.00 in, $8.00 out
Performance
Last 24 hours, from llm.buzz's test requestsThroughput (tok/s)
- llm.buzz334 tok/s
- OpenAI112 tok/s
Data table
| Provider | From (UTC) | p50 | p90 | p99 |
|---|---|---|---|---|
| llm.buzz | Oct 26, 06:00 | 401 tok/s | 401 tok/s | 401 tok/s |
| llm.buzz | Oct 26, 10:00 | 65 tok/s | 65 tok/s | 65 tok/s |
| llm.buzz | Oct 26, 15:00 | 112 tok/s | 112 tok/s | 112 tok/s |
| llm.buzz | Oct 26, 19:00 | 692 tok/s | 692 tok/s | 692 tok/s |
| llm.buzz | Oct 26, 23:00 | 232 tok/s | 232 tok/s | 232 tok/s |
| llm.buzz | Oct 27, 03:00 | 334 tok/s | 334 tok/s | 334 tok/s |
| llm.buzz | Last 24 hours | 334 tok/s | 65 tok/s | 65 tok/s |
| OpenAI | Oct 26, 05:00 | 112 tok/s | 112 tok/s | 112 tok/s |
| OpenAI | Oct 26, 10:00 | 134 tok/s | 134 tok/s | 134 tok/s |
| OpenAI | Oct 26, 14:00 | 78 tok/s | 78 tok/s | 78 tok/s |
| OpenAI | Oct 26, 19:00 | 31 tok/s | 31 tok/s | 31 tok/s |
| OpenAI | Oct 27, 00:00 | 112 tok/s | 112 tok/s | 112 tok/s |
| OpenAI | Last 24 hours | 112 tok/s | 31 tok/s | 31 tok/s |
Latency (time to first token)
- llm.buzz2.07 s
- OpenAI1.20 s
Data table
| Provider | From (UTC) | p50 | p90 | p99 |
|---|---|---|---|---|
| llm.buzz | Oct 26, 06:00 | 31.8 s | 31.8 s | 31.8 s |
| llm.buzz | Oct 26, 10:00 | 1.72 s | 1.72 s | 1.72 s |
| llm.buzz | Oct 26, 15:00 | 2.07 s | 2.07 s | 2.07 s |
| llm.buzz | Oct 26, 19:00 | 2.98 s | 2.98 s | 2.98 s |
| llm.buzz | Oct 26, 23:00 | 2.07 s | 2.07 s | 2.07 s |
| llm.buzz | Oct 27, 03:00 | 4.29 s | 4.29 s | 4.29 s |
| llm.buzz | Last 24 hours | 2.07 s | 31.8 s | 31.8 s |
| OpenAI | Oct 26, 05:00 | 1.00 s | 1.00 s | 1.00 s |
| OpenAI | Oct 26, 10:00 | 1.20 s | 1.20 s | 1.20 s |
| OpenAI | Oct 26, 14:00 | 1.44 s | 1.44 s | 1.44 s |
| OpenAI | Oct 26, 19:00 | 1.20 s | 1.20 s | 1.20 s |
| OpenAI | Oct 27, 00:00 | 0.83 s | 0.83 s | 0.83 s |
| OpenAI | Last 24 hours | 1.20 s | 1.44 s | 1.44 s |
Uptime
Last 72 hours, by hour- Up: 95% or more served
- Degraded: 85% to 95%
- Down: below 85%
- No data
- From llm.buzz's test requests
Questions
How much does OpenAI: GPT-4.1 cost?
OpenAI: GPT-4.1 costs $2.00 per million input tokens and $8.00 per million output tokens at llm.buzz, the provider requests go to first, with cache reads at $0.50 per million tokens.
Do providers train on my prompts?
Each provider declares it, and the table above shows every declaration. You can limit a request to providers that keep nothing, or to providers in the EU.
Can I serve OpenAI: GPT-4.1 myself?
Yes. Apply as a provider, add your endpoint and list this model at your price. It goes live once the automated check passes.
Similar models
Call it
import os
from openai import OpenAI
client = OpenAI(
base_url="https://api.llm.buzz/api/v1",
api_key=os.environ["LLM_BUZZ_KEY"],
)
reply = client.chat.completions.create(
model="openai/gpt-4.1",
messages=[{"role": "user", "content": "Hello"}],
)import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://api.llm.buzz/api/v1",
apiKey: process.env.LLM_BUZZ_KEY,
});
const reply = await client.chat.completions.create({
model: "openai/gpt-4.1",
messages: [{ role: "user", content: "Hello" }],
});curl https://api.llm.buzz/api/v1/chat/completions \
-H "Authorization: Bearer $LLM_BUZZ_KEY" \
-H "Content-Type: application/json" \
-d '{"model": "openai/gpt-4.1",
"messages": [{"role": "user", "content": "Hello"}]}'Endpoints
POST /api/v1/chat/completionsPOST /api/v1/responsesPOST /api/v1/messagesAuthentication
Send your llm.buzz key as a Bearer token: Authorization: Bearer $LLM_BUZZ_KEY. Create keys in the console. The same key calls every model; each request pays the price of the provider that answered it.
More in Authentication and the API reference.
README
GPT-4.1 is a flagship large language model optimized for advanced instruction following, real-world software engineering, and long-context reasoning. It supports a 1 million token context window and outperforms GPT-4o and GPT-4.5 across coding (54.6% SWE-bench Verified), instruction compliance (87.4% IFEval), and multimodal understanding benchmarks. It is tuned for precise code diffs, agent reliability, and high recall in large document contexts, making it ideal for agents, IDE tooling, and enterprise knowledge retrieval.
- Model ID
- openai/gpt-4.1
- Takes
- Text, image
- Answers
- Text
- Context
- 1M tokens
- Max output
- 32K tokens
- Capabilities
- Tools, Caching, Structured outputs
- Parameters
- max_tokens, response_format, structured_outputs, temperature, tool_choice, tools
- Weights
- Closed
- On llm.buzz since
- Oct 22, 2026