GPT-5.4 Pro vs GPT-5.5 Pro
One line per model: the best value available from any of its providers at each point, which is what a caller routing to the healthy endpoint would see.
CompareGPT-5.4 ProGPT-5.5 Pro
| GPT-5.4 Pro | 0/3 | — | — | — | — | 1.1M | $15.00 / $90.00 |
| GPT-5.5 Pro | 2/2 | 100% | 3.97s | 85.8s | 4.0 tps | 1.1M | $15.00 / $90.00 |
Measured 1m ago. Each figure is the best available across that model's providers.
History
Availability
Best uptime available from any provider. Axis starts at 90%; it expands to 0 when a model falls below.
Time to first token
Fastest P50 available from any provider. Logarithmic axis.
Throughput
Best median tokens per second available.