OpenAI: GPT-5.2-Codex

openai/gpt-5-2-codex

GPT-5.2-Codex is an upgraded version of GPT-5.1-Codex optimized for software engineering and coding workflows.

Modalities
In / out per 1M$1.75 / $14
Context391K
ReleasedJan 14, 2026

Providers

1 provider serves this model upstream.

Providers serving this model
ProviderInput /MOutput /MCache read /MLatency P50Throughput P50Uptime
Azure$1.75$14$0.175.86s21 tps99.65%

Market-wide measurements, refreshed every 15 minutes. They describe who serves GPT-5.2-Codex in general, not how ProjectCOZY routes your requests.

Pricing

List rates per 1M tokens — what GPT-5.2-Codex costs pay-as-you-go elsewhere, not what you pay here.

Input
$1.75
per 1M tokens
Output
$14
per 1M tokens
Cache read
$0.17
per 1M cached tokens
Included in every pass
GPT-5.2-Codex is included in every ProjectCOZY pass at no extra cost — one flat rate, no per-token metering. The rates above are there for comparison.

Performance

Time to first token and output speed across every provider, over the last 3 days.

0.0s25.0s50.0s75.0s100.0s
Oct 11, 4 AMOct 11, 1 PMOct 11, 9 PMOct 12, 5 AMOct 12, 1 PMOct 12, 10 PMOct 13, 7 AMOct 13, 3 PMOct 13, 11 PMOct 14, 7 AM
Median 90th percentile 99th percentile
0 tok/s50 tok/s100 tok/s150 tok/s200 tok/s
Oct 11, 4 AMOct 11, 1 PMOct 11, 9 PMOct 12, 5 AMOct 12, 1 PMOct 12, 10 PMOct 13, 7 AMOct 13, 3 PMOct 13, 11 PMOct 14, 7 AM
Median 90th percentile 99th percentile

Uptime

100% of requests were served successfully over the last 3 days, across all providers.

Last 3 daysAvailability 98.05%
Oct 11, 2:00 PMNow
Availability over the last 24 hoursAvailability 96.89%
100% 90% 80% 70%
Oct 13, 2:40 PMNow

Apps

Tools that most often run GPT-5.2-Codex, by tokens this week.

Activity

7.0B tokens processed market-wide in the last month.

0200.0M400.0M600.0M800.0M
Sep 14Sep 19Sep 24Sep 29Oct 4Oct 9Oct 14
Tokens

FAQ

Which model id do I use for GPT-5.2-Codex?
openai/gpt-5.2-codex. Send it as the model field from any OpenAI-compatible client, against http://192.168.1.55/v1.
How much context does GPT-5.2-Codex hold?
400,000 tokens per request, of which up to 128,000 can be the response.
What can it accept and return?
Input: text, image. Output: text.
What does GPT-5.2-Codex cost on a pass?
Nothing beyond the pass itself. Pay-as-you-go elsewhere it lists at $1.75 per 1M input tokens and $14 per 1M output tokens.
Who built GPT-5.2-Codex?
OpenAI, in the GPT family.

Explore

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