OpenAI: GPT-5.4 Mini
openai/gpt-5-4-miniGPT-5.4 mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads.
Modalities
In / out per 1M$0.75 / $4.50
Context391K
ReleasedMar 17, 2026
Providers
5 providers serve this model upstream.
| Provider | Input /M | Output /M | Cache read /M | Latency P50 | Throughput P50 | Uptime |
|---|---|---|---|---|---|---|
 OpenAI | $0.38 | $2.25 | $0.04 | 0.85s | 139 tps | 100% |
 Azure | $0.75 | $4.50 | $0.07 | 1.73s | 87 tps | 100% |
| OpenAI | $0.75 | $4.50 | $0.07 | 1.05s | 92 tps | 100% |
| Azureeastus2 | $0.82 | $4.95 | $0.08 | 3.37s | 34 tps | 100% |
| OpenAI | $1.50 | $9.00 | $0.15 | 1.74s | 135 tps | 100% |
Market-wide measurements, refreshed every 15 minutes. They describe who serves GPT-5.4 Mini in general, not how ProjectCOZY routes your requests.
Pricing
List rates per 1M tokens — what GPT-5.4 Mini costs pay-as-you-go elsewhere, not what you pay here.
Input
$0.75
per 1M tokens
Output
$4.50
per 1M tokens
Cache read
$0.07
per 1M cached tokens
Included in every pass
GPT-5.4 Mini 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.
0.0s2.0s4.0s6.0s8.0s
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
OpenAI Azure OpenAI OpenAI Azure (eastus2)
0 tok/s200 tok/s400 tok/s600 tok/s800 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
Azure OpenAI OpenAI OpenAI Azure (eastus2)
Uptime
100% of requests were served successfully over the last 3 days, across all providers.
Last 3 daysAvailability 97.59%
Oct 16, 2:00 PMNow
Availability over the last 24 hoursAvailability 97.51%
100% 93% 87% 80%
Oct 18, 2:30 PMNow
Apps
Tools that most often run GPT-5.4 Mini, by tokens this week.
Activity
550.2B tokens processed market-wide in the last month.
020.0B40.0B60.0B80.0B
Sep 19Sep 24Sep 29Oct 4Oct 9Oct 14Oct 19
Tokens
FAQ
Which model id do I use for GPT-5.4 Mini?
openai/gpt-5.4-mini. Send it as the model field from any OpenAI-compatible client, against https://projectcozy.tech/v1.
How much context does GPT-5.4 Mini hold?
400,000 tokens per request, of which up to 128,000 can be the response.
What can it accept and return?
Input: file, image, text. Output: text.
What does GPT-5.4 Mini cost on a pass?
Nothing beyond the pass itself. Pay-as-you-go elsewhere it lists at $0.75 per 1M input tokens and $4.50 per 1M output tokens.
How current is its knowledge?
Training data runs to Aug 2025. Anything later has to come from your prompt or a tool call.
Who built GPT-5.4 Mini?
OpenAI, in the GPT family.
Explore
Other models your pass can call.
