OpenAI: GPT-5.4
openai/gpt-5-4GPT-5.4 is OpenAI’s latest frontier model, unifying the Codex and GPT lines into a single system.
Modalities
In / out per 1M$2.50 / $15
Context1M
ReleasedMar 5, 2026
Providers
7 providers serve this model upstream.
| Provider | Input /M | Output /M | Cache read /M | Latency P50 | Throughput P50 | Uptime |
|---|---|---|---|---|---|---|
 Azure | $2.50 | $15 | $0.25 | 2.19s | 72 tps | 100% |
 OpenAI | $2.50 | $15 | $0.25 | 1.09s | 55 tps | 100% |
| Azureeastus2 | $2.75 | $17 | $0.28 | — | — | 100% |
| Azureswedencentral | $2.75 | $17 | $0.28 | 0.80s | 63 tps | 100% |
| OpenAI | $5.00 | $30 | $0.50 | 1.36s | 98 tps | 100% |
| OpenAI | $1.25 | $7.50 | $0.13 | 9.21s | 50 tps | 87.21% |
 Amazon Bedrockus-east-1 | $2.75 | $17 | $0.28 | 1.55s | 101 tps | — |
Market-wide measurements, refreshed every 15 minutes. They describe who serves GPT-5.4 in general, not how ProjectCOZY routes your requests.
Pricing
List rates per 1M tokens — what GPT-5.4 costs pay-as-you-go elsewhere, not what you pay here.
Input
$2.50
per 1M tokens
Output
$15
per 1M tokens
Cache read
$0.25
per 1M cached tokens
Included in every pass
GPT-5.4 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.
0.0s10.0s20.0s30.0s40.0s
Oct 16, 12 AMOct 16, 8 AMOct 16, 4 PMOct 17, 12 AMOct 17, 8 AMOct 17, 4 PMOct 18, 12 AMOct 18, 8 AMOct 18, 4 PMOct 19, 12 AMOct 19, 8 AM
Azure (swedencentral) OpenAI Amazon Bedrock (us-east-1) OpenAI Azure Azure (eastus2)
0 tok/s100 tok/s200 tok/s300 tok/s400 tok/s
Oct 16, 12 AMOct 16, 8 AMOct 16, 4 PMOct 17, 12 AMOct 17, 8 AMOct 17, 4 PMOct 18, 12 AMOct 18, 8 AMOct 18, 4 PMOct 19, 12 AMOct 19, 8 AM
Amazon Bedrock (us-east-1) OpenAI Azure Azure (swedencentral) Azure (eastus2)
Uptime
100% of requests were served successfully over the last 3 days, across all providers.
Last 3 daysAvailability 99.81%
Oct 16, 9:00 AMNow
Availability over the last 24 hoursAvailability 99.8%
100% 98% 97% 95%
Oct 18, 9:50 AMNow
Apps
Tools that most often run GPT-5.4, by tokens this week.
Activity
238.7B tokens processed market-wide in the last month.
05.0B10.0B15.0B20.0B
Sep 19Sep 24Sep 29Oct 4Oct 9Oct 14Oct 19
Tokens
FAQ
Which model id do I use for GPT-5.4?
openai/gpt-5.4. Send it as the model field from any OpenAI-compatible client, against http://192.168.1.55/v1.
How much context does GPT-5.4 hold?
1,050,000 tokens per request, of which up to 128,000 can be the response.
What can it accept and return?
Input: text, image, file. Output: text.
What does GPT-5.4 cost on a pass?
Nothing beyond the pass itself. Pay-as-you-go elsewhere it lists at $2.50 per 1M input tokens and $15 per 1M output tokens.
Who built GPT-5.4?
OpenAI, in the GPT family.
Explore
Other models your pass can call.
