GPT-5.2 Chat vs GPT-5.2 Pro
Pick up to 3 models · pricing, context and capabilities · simulate your product cost
Data updated on September 30, 2026· 217 models
GPT-5.2 Chat (AKA Instant) is the fast, lightweight member of the 5.2 family, optimized for low-latency chat while retaining strong general intelligence.
- Reasoning estimated
- Speed estimated
- ▲
- Input
- Output
- Context
- 128 K tokens
- Max output
- 32 K
- Input, $ per 1M tokens
- ▲$1.75
- Output, $ per 1M tokens
- ▲$14.00
- Cache read, $ per 1M
- $0.175
- Batch (input / output)
- —
- Tool calling
- Yes
- Released
- 12/10/2025
- Knowledge cutoff
- —
- API id
- openai/gpt-5.2-chat
GPT-5.2 Pro is OpenAI’s most advanced model, offering major improvements in agentic coding and long context performance over GPT-5 Pro.
- Reasoning estimated
- ▲
- Speed estimated
- Input
- Output
- Context
- ▲400 K tokens
- Max output
- ▲128 K
- Input, $ per 1M tokens
- $21.00
- Output, $ per 1M tokens
- $168.00
- Cache read, $ per 1M
- —
- Batch (input / output)
- $10.50 / $84.00
- Tool calling
- Yes
- Released
- ▲12/11/2025
- Knowledge cutoff
- 2025-08-31
- API id
- openai/gpt-5.2-pro
Which is the better API choice: GPT-5.2 Chat vs GPT-5.2 Pro?
- GPT-5.2 Chat: cheapest input (92% less than GPT-5.2 Pro)
- GPT-5.2 Chat: cheapest output
- GPT-5.2 Pro: largest context (400 K)
- GPT-5.2 Pro: the newest (12/11/2025)
- GPT-5.2 Pro: most reasoning (estimated)
- GPT-5.2 Chat: the fastest (estimated)
GPT-5.2 Chat costs 92% less on input and 92% less on output than GPT-5.2 Pro ($1.75 / $14.00 versus $21.00 / $168.00 per million tokens). GPT-5.2 Pro accepts more context (400 K). On capabilities, GPT-5.2 Pro has a reasoning mode. GPT-5.2 Pro offers a batch tier at half price for jobs that do not need an immediate answer.
What would your product cost?
Estimate the monthly cost with your app's real volume. List prices, no cache or batch discounts.
With GPT-5.2 Chat you save $904.75 a month versus GPT-5.2 Pro (92% less).
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- 2Lyria 3 Clip Preview Google$0.00
- 3Qwen3.7 Flash Qwen$0.97
- 4DeepSeek V4 Flash 0731 DeepSeek$1.55
- 5Ministral 3 3B 2512 Mistral$1.90
- 6Qwen3.5-Flash Qwen$2.02
Paste your prompt: tokens and cost per model
Rough estimate (about 4 characters per token). Nothing is sent to any server.
Cost of sending it 1,000 times (input only)
- 1GPT-5.2 Chat OpenAI$0.133
- 2Claude Sonnet 5.5 Anthropic$0.152
- 3Claude Sonnet 5 Anthropic$0.152
- 4Claude Opus 5.5 Anthropic$0.304
- 5Claude Opus 5 Anthropic$0.380
- 6Claude Fable 5.1 Anthropic$0.760
- 7Claude Fable 5 Anthropic$0.760
- 8GPT-5.2 Pro OpenAI$1.60
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Frequently asked questions
Which is the better API choice: GPT-5.2 Chat vs GPT-5.2 Pro?
GPT-5.2 Chat costs 92% less on input and 92% less on output than GPT-5.2 Pro ($1.75 / $14.00 versus $21.00 / $168.00 per million tokens). GPT-5.2 Pro accepts more context (400 K). On capabilities, GPT-5.2 Pro has a reasoning mode. GPT-5.2 Pro offers a batch tier at half price for jobs that do not need an immediate answer.
Which is cheaper: GPT-5.2 Chat and GPT-5.2 Pro?
GPT-5.2 Chat is cheaper: $1.75 per million input tokens and $14.00 per million output tokens, versus $21.00 / $168.00 for GPT-5.2 Pro.
Which has more context: GPT-5.2 Chat and GPT-5.2 Pro?
GPT-5.2 Pro accepts 400 K tokens of context; GPT-5.2 Chat accepts 128 K.
Which is newer: GPT-5.2 Chat and GPT-5.2 Pro?
GPT-5.2 Pro was released on 12/11/2025; GPT-5.2 Chat on 12/10/2025.
What would 10,000 requests a month cost with GPT-5.2 Chat and GPT-5.2 Pro?
With 1,500 input and 400 output tokens per request: GPT-5.2 Chat: $82.25; GPT-5.2 Pro: $987.00 a month, at list price.
Where do the prices come from and how often are they updated?
From the public catalogs of OpenRouter, models.dev and LiteLLM, which publish each provider's list prices. They sync once a day and the last update date is shown above the comparison.
What does price per million tokens mean?
It is what the provider charges per million tokens you send (input) or the model generates (output). A token is roughly 4 characters. Output almost always costs more than input.
Sources: OpenRouter, models.dev and LiteLLM. Prices in USD per million tokens, list price, no volume discounts. Prompt tokens are an estimate; each provider's tokenizer may differ.