OpenAI: GPT-5.2-Codex
openai/gpt-5-2-codexGPT-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.
| Provider | Input /M | Output /M | Cache read /M | Latency P50 | Throughput P50 | Uptime |
|---|---|---|---|---|---|---|
| $1.75 | $14 | $0.17 | 3.46s | 24 tps | 100% |
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.
0.0s100.0s200.0s300.0s400.0s
Oct 16, 12 AMOct 16, 8 AMOct 16, 5 PMOct 17, 6 AMOct 17, 5 PMOct 18, 5 AMOct 18, 5 PMOct 19, 6 AM
Median 90th percentile 99th percentile
0 tok/s50 tok/s100 tok/s150 tok/s200 tok/s
Oct 16, 12 AMOct 16, 8 AMOct 16, 5 PMOct 17, 6 AMOct 17, 5 PMOct 18, 5 AMOct 18, 5 PMOct 19, 6 AM
Median 90th percentile 99th percentile
Uptime
100% of requests were served successfully over the last 3 days, across all providers.
Last 3 daysAvailability 99.56%
Oct 16, 10:00 AMNow
Availability over the last 24 hoursAvailability 99.87%
100% 97% 93% 90%
Oct 18, 10:20 AMNow
Apps
Tools that most often run GPT-5.2-Codex, by tokens this week.
Activity
5.6B tokens processed market-wide in the last month.
0200.0M400.0M600.0M800.0M
Sep 19Sep 24Sep 29Oct 4Oct 9Oct 14Oct 19
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
Other models your pass can call.


