LLM

GPT-5.5 (xhigh)

Name: GPT-5.5 (xhigh) Review & Benchmarks
Item: GPT-5.5 (xhigh)
Rating: 60.2
Author: Sentient Weekly

by OpenAI

Overall Score

60.2

Released Apr 2026

Benchmark Scores

Reasoning

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Coding

59.1

Math

—

Creative writing

—

Instruction following

—

Multimodal

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Standard Benchmarks

aa_lcraa_lcr

0.7

Measured 2026-05-13 · source

aa_terminalbench_hardaa_terminalbench_hard

0.6

Measured 2026-05-13 · source

aa_tau2aa_tau2

0.9

Measured 2026-05-13 · source

aa_gpqaaa_gpqa

0.9

Measured 2026-05-13 · source

aa_hleaa_hle

0.4

Measured 2026-05-13 · source

aa_scicodeaa_scicode

0.6

Measured 2026-05-13 · source

aa_ifbenchaa_ifbench

0.8

Measured 2026-05-13 · source

Price

—

Context

—

Speed

65.92 t/s

59419ms TTFT

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