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GPT-5.3-Codex

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CompareGPT-5.3-Codex
  • OpenAI100%
    Healthy24h 100%
    7d
    99.98%
    30d
    99.95%
    p50
    1.99s
    p99
    20.4s
    Throughput
    90 tps
    Context
    400K
    $/Mtok
    $1.75 / $14.00
    openai
  • No data24h 100%
    7d
    99.98%
    30d
    100%
    p50
    4.25s
    p99
    30.3s
    Throughput
    73 tps
    Context
    400K
    $/Mtok
    $1.75 / $14.00
    azure
  • No data24h —
    7d
    —
    30d
    100%
    p50
    —
    p99
    —
    Throughput
    —
    Context
    400K
    $/Mtok
    $3.50 / $28.00
    openai/fast
  • No data24h —
    7d
    —
    30d
    —
    p50
    —
    p99
    —
    Throughput
    —
    Context
    400K
    $/Mtok
    $3.50 / $28.00
    openai/priority

Measured 1m ago. Latency and throughput are OpenRouter's rolling 30-minute windows.

1 endpoint has no chartable data in this range.

Availability

Axis starts at 90% so small differences stay visible; it expands to 0 when an endpoint falls below.

Time to first token

Logarithmic axis — the fleet spans two orders of magnitude. P50 is OpenRouter's rolling 30-minute window.

Throughput

Median tokens per second.

Daily availability

One row per endpoint · one dot per day · last 90 days.

worst hour ≥ 95%90–95%< 90%no data

Colour by each endpoint's worst hour of each UTC day · 4 endpoints · 46 days with data, none below the red threshold.