GPT-5.1

openai/gpt-5.1
by OpenAI · image+text+file in · text out · 400K ctx · 2025-11-13

GPT-5.1 is the latest frontier-grade model in the GPT-5 series, offering stronger general-purpose re…

Endpoints:/v1/chat/completions/v1/responses
INPUT$1.25/ 1M tokens
OUTPUT$10.00/ 1M tokens
p50 TTFT1.73 s7d
p95 TTFT3.71 s7d
TRAFFIC79.8Ktokens / 7d
▶ Try in playground</> Use via API
Code samples
from openai import OpenAI

client = OpenAI(
    base_url="https://orcarouter.ai/v1",
    api_key="$ORCAROUTER_API_KEY",
)

response = client.chat.completions.create(
    model="openai/gpt-5.1",
    messages=[{"role": "user", "content": "Hello"}],
)
print(response.choices[0].message.content)
Pricing
Input / 1M tokens$1.25
Output / 1M tokens$10.00
Cache read / 1M$0.125
CurrencyUSD
Performancelast 7 days
TTFT p50
1.73 s
Output speed
38.2 tok/s
TTFT p95
3.71 s
Error rate
8.7%
Public benchmarksLast evaluated 2025-11-13
AA Coding
44.7
AA Intelligence
47.7
AA Math
94.0
AIME 2025
94.0
GPQA Diamond
87.3
Humanity's Last Exam
26.5
IFBench
72.9
LiveCodeBench
86.8
Long-Context Recall
75.0
MMLU-Pro
87.0
SciCode
43.3
TerminalBench Hard
45.5
τ²-Bench
81.9
Source: artificialanalysis.ai
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FAQ
How much does OpenAI: GPT-5.1 cost on OrcaRouter?
OpenAI: GPT-5.1 is priced at $1.25 per 1M input tokens and $10.00 per 1M output tokens via OrcaRouter. Pricing is pulled live from the routing layer.
What is OpenAI: GPT-5.1's context window?
OpenAI: GPT-5.1 supports a context window of 400K tokens. Use long-context features (RAG, summarisation) up to that limit.
How do I call OpenAI: GPT-5.1 via the OpenAI SDK?
Set OpenAI base_url to https://orcarouter.ai/v1, supply your OrcaRouter API key, and pass model="openai/gpt-5.1" in the chat.completions.create call.
Does OrcaRouter rate-limit OpenAI: GPT-5.1?
Per-model rate limits follow your OrcaRouter plan. Free tiers ship with conservative caps; paid tiers lift them. Check /pricing for current quotas.
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OpenAI: GPT-5.1•$1.25/M in•1730ms p50•via OrcaRouter
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Markdown [![OpenAI: GPT-5.1](https://www.orcarouter.ai/embed/openai/gpt-5.1.svg)](https://www.orcarouter.ai/models/openai/gpt-5.1)