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OpenAI: GPT-5.2 Pro

by OpenAI

GPT-5.2 Pro is OpenAI’s most advanced model, offering major improvements in agentic coding and long context performance over GPT-5 Pro. It is optimized for complex tasks that require step-by-step reasoning, instruction following, and accuracy in high-stakes use cases. It supports test-time routing features and advanced prompt understanding, including user-specified intent like "think hard about this." Improvements include reductions in hallucination, sycophancy, and better performance in coding, writing, and health-related tasks.

Avg Score

85.5%

232 answers

Avg Latency

18.2s

13 runs

Pricing

$21.00

input

/

$168.00

output

per 1M tokens

Context

400K

tokens

Alternatives

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Same Quality, Cheaper

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Same Quality, Faster

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Same Cost, Better

Models at a similar price point with higher benchmark scores.

Other Models from OpenAI

Compare performance with other models from the same creator

ModelScoreLatencyCost/1M
OpenAI: GPT-5.287.1%4.8s$7.88
OpenAI: GPT-5.2 Chat84.9%4.2s$7.88
OpenAI: GPT-5 Mini80.0%8.6s$1.13
OpenAI: GPT-5 Nano78.8%13.0s$0.22
OpenAI: gpt-oss-20b73.3%6.2s$0.06
OpenAI: gpt-oss-120b47.8%11.1s$0.11
OpenAI: GPT-5.1-Codex-Max$5.63
OpenAI: GPT-5.1$5.63
OpenAI: GPT-5.1 Chat$5.63
OpenAI: GPT-5.1-Codex$5.63
OpenAI: GPT-5.1-Codex-Mini$1.13
OpenAI: gpt-oss-safeguard-20b$0.19
OpenAI: GPT-5 Image Mini$2.25
OpenAI: GPT-5 Image$10.00
OpenAI: o3 Deep Research$25.00
OpenAI: o4 Mini Deep Research$5.00
OpenAI: GPT-5 Pro$67.50
OpenAI: GPT-5 Codex$5.63
OpenAI: GPT-4o Audio$6.25
OpenAI: GPT-5 Chat$5.63
OpenAI: GPT-5$5.63
OpenAI: gpt-oss-120b$0.0000
OpenAI: gpt-oss-120b$0.11
OpenAI: gpt-oss-20b$0.0000
OpenAI: o3 Pro$50.00
OpenAI: Codex Mini$3.75
OpenAI: o4 Mini High$2.75
OpenAI: o3$5.00
OpenAI: o4 Mini$2.75
OpenAI: GPT-4.1$5.00
OpenAI: GPT-4.1 Mini$1.00
OpenAI: GPT-4.1 Nano$0.25
OpenAI: o1-pro$375.00
OpenAI: GPT-4o-mini Search Preview$0.38
OpenAI: GPT-4o Search Preview$6.25
OpenAI: o3 Mini High$2.75
OpenAI: o3 Mini$2.75
OpenAI: o1$37.50
OpenAI: GPT-4o (2024-11-20)$6.25
OpenAI: ChatGPT-4o$10.00
OpenAI: GPT-4o (2024-08-06)$6.25
OpenAI: GPT-4o-mini (2024-07-18)$0.38
OpenAI: GPT-4o-mini$0.38
OpenAI: GPT-4o (2024-05-13)$10.00
OpenAI: GPT-4o$6.25
OpenAI: GPT-4o$12.00
OpenAI: GPT-4 Turbo$20.00
OpenAI: GPT-3.5 Turbo (older v0613)$1.50
OpenAI: GPT-4 Turbo Preview$20.00
OpenAI: GPT-4 Turbo (older v1106)$20.00
OpenAI: GPT-3.5 Turbo Instruct$1.75
OpenAI: GPT-3.5 Turbo 16k$3.50
OpenAI: GPT-4 (older v0314)$45.00
OpenAI: GPT-4$45.00
OpenAI: GPT-3.5 Turbo$1.00

Benchmark Performance

How this model performs across different benchmarks

Price vs Performance

Compare cost efficiency across all models

Current model
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X-axis uses log scale for better visualization of price range

Score Over Time

Performance trends across all benchmark runs

Benchmark Activity

Number of benchmark runs over time

Quickstart

Get started with this model using OpenRouter

View on OpenRouter
import { OpenRouter } from "@openrouter/sdk";

const openrouter = new OpenRouter({
  apiKey: "<OPENROUTER_API_KEY>"
});

const completion = await openrouter.chat.completions.create({
  model: "openai/gpt-5.2-pro",
  messages: [
    {
      role: "user",
      content: "Hello!"
    }
  ]
});

console.log(completion.choices[0].message.content);

Get your API key at openrouter.ai/keys