Today's price · per 1M tokens
Input
$0.750
per 1M tokens
Output
$4.50
per 1M tokens
Blended
$2.63
avg of input & output $/1M
Cached input
$0.075
10% of input — prompt caching
Overview
Smaller, faster, cheaper variant of GPT-5.4. Good for high-volume workloads.
Capabilities
struck through = not supportedBenchmark performance
accuracy % · higher is betterEvery per-benchmark score we hold for this model is reported by its own vendor, so none is counted toward an accuracy average or any ranking. The percentile above is its standing across the independent composites below.
- AA Intelligence Index: 40 (Artificial Analysis composite across reasoning, knowledge and coding evals)
- AA Agentic Index: 30.2 (Tool use, planning, autonomy)
- AA-Omniscience Index: -18.7 (−100–100)
- Ranks #56 of 133 comparably-measured models by percentile score, across 3 independent measurements
- Ranks #78 of 133 comparably-tested models by normalized performance per dollar
180 tokens/sec output
Source: OpenAI model card · updated May 1, 2026 · See full rankings →
Specifications
- Provider
- OpenAI
- Context window
- 1M tokens
- Modality
- text, image
- Parameters
- Proprietary
- Open source
- No — proprietary
- Released
- Aug 15, 2025
- Status
- Current
- Last updated
- Jun 25, 2026
- Tags
Availability verified: Not re-verified. We have no recent evidence that OpenAI still lists this model — treat availability as unconfirmed.