MMODELYST
Models/GPT-5.4
MDL

GPT-5.4

OpenAI

Verified against Artificial Analysis · Jul 13, 2026
Capability
95
percentile index
Price /M
$2.5 / $15
in / out
Context
1.1M
tokens
Avg score
69.0
7 benchmarks
AA Intelligence
51.4
index
Speed
161 tok/s
TTFT 1m 44s
Released
Mar 5, 2026
About

GPT-5.4 is a proprietary model in the GPT family from OpenAI. Benchmarked on 7 evals, averaging 69.0.

Benchmark scores · 7
avg 69.0 — higher is better
GPQA Diamond
92
τ²-bench
87.1
AA Long-Context Reasoning
74
IFBench
73.9
Terminal-Bench Hard
57.6
SciCode
56.6
Humanity's Last Exam
41.6
Details
PublisherOpenAI
FamilyGPT
Parameters
License
WeightsClosed
ReleasedMar 5, 2026
Performance & price
Output speed161 tok/s
Latency (TTFT)1m 44s
Price in / out$2.5 / $15 per 1M
Blended price$5.63 / 1M
Coding index71.1

Median across API providers, via Artificial Analysis. Blended = 3:1 input:output. For reasoning models, latency includes thinking time. Methodology →

Capability over time

Append-only ledger — every observed change to this model's numbers.

API providers
Artificial Analysis$15/M