Scheduled for retirement on May 15, 2027. Still available at the prices below until then.
Context
272K
Max output
128K
Serving providers
2
Cheapest input
$1.25 /1M
On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.

Benchmarks

independent evaluations · source: ARC Prize
Individual benchmarks · click a row for effort variants
BenchmarkBest scoreEffortCost / task
ARC-AGI-218%high$1.17

Pricing by serving provider

standard tier · per 1M tokens · click a provider to expand
Serving providerInput /1MOutput /1MEndpoints
Azure$1.25$10.001
OpenAICheapest$1.25$10.001
Standardgpt-5.1-2025-11-13
ComponentUnitStandardBatch
Text cached in/1M tok$0.125—
Text input/1M tok$1.25$0.625
Text output/1M tok$10.00$5.00

Price history

listed seller prices, input and output per 1M tokens
Input Output
$0.00$5.00$10.00Nov 13Nov 19Jun 22Sep 15Sep 17$10.00$1.25

Cost calculator

estimate your monthly spend on this model
$1,050
estimated / month

Model IDs

copy the exact identifier for your platform
gpt-5.1-2025-11-13azure/gpt-5.1-2025-11-13

Frequently asked questions

GPT 5.1 (2025-11-13) pricing, context and availability

Is GPT 5.1 (2025-11-13) still available?

Yes. GPT 5.1 (2025-11-13) is scheduled for retirement on 2027-05-15.

How much does GPT 5.1 (2025-11-13) cost?

GPT 5.1 (2025-11-13) costs $1.25 per 1M input tokens from OpenAI, and $10.00 per 1M output tokens from OpenAI.

What is the context window of GPT 5.1 (2025-11-13)?

GPT 5.1 (2025-11-13) accepts up to 272K tokens of context and can return up to 128K output tokens.

Which providers serve GPT 5.1 (2025-11-13)?

GPT 5.1 (2025-11-13) is available from 2 serving providers, each with its own pricing and model ID. OpenAI is currently the cheapest.

What can GPT 5.1 (2025-11-13) do?

GPT 5.1 (2025-11-13) supports image input (vision), tool use, reasoning, prompt caching, structured output and web search.

Other OpenAI models

compare pricing across the OpenAI lineup
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026

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