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GPT-5.6
GPT-5.6, also known as OpenAI GPT-5.6, is a family of large language models released by OpenAI in July 2026, offered in three tiers named Sol, Terra, and Luna.
GPT-J and GPT-NeoX
GPT-J and GPT-NeoX are open-weight language models released by the volunteer collective EleutherAI as community replications of GPT-3, with GPT-NeoX-20B's weights downloadable in February 2022.
gpt-oss
gpt-oss is a pair of open-weight reasoning language models, gpt-oss-120b and gpt-oss-20b, released by OpenAI on August 5, 2025 under Apache 2.0, its first open weights since GPT-2 in 2019.
GPT-SoVITS
GPT-SoVITS is an open-source voice-cloning and text-to-speech toolkit released on GitHub in 2024 under the MIT license, cloning a voice from 5 seconds of audio.
GPT4All
GPT4All is a free, open-source desktop application built by Nomic AI that runs quantized open-weight language models locally on Windows, macOS, and Linux without an internet connection.
GPTFuzzer
GPTFuzzer is a black-box jailbreak fuzzing framework for large language models, introduced in September 2023, which mutates human-written jailbreak templates with another LLM until they elicit unsafe outputs.
GPTQ
GPTQ is a one-shot post-training quantization method that compresses large language models to 3 or 4 bits per weight with little accuracy loss, introduced in October 2022.
GPTZero
GPTZero is a commercial AI-text detector created by Princeton student Edward Tian in December 2022, which grew to 19 million users before Superhuman acquired it in 2026.
GPU-accelerated molecular dynamics
GPU-accelerated molecular dynamics is the execution of molecular dynamics simulations on graphics processing units rather than CPUs alone, since the nonbonded force calculations map naturally onto thousands of parallel threads.
GPUDirect
GPUDirect is a family of NVIDIA technologies that let peer devices such as network adapters and NVMe storage exchange data directly with GPU memory, bypassing CPU system memory.
GPUOpen
GPUOpen is an initiative by AMD, launched on January 26, 2016, that provides game and compute developers free, largely open-source tools, libraries, and SDKs for Radeon GPUs.
GQL (graph query language)
GQL (Graph Query Language) is the ISO/IEC 39075:2024 standard declarative language for property graph databases, descended from Cypher and sharing its GPML pattern matching with SQL/PGQ; the first new ISO database language since SQL.
GR (ByteDance robotics VLA family)
GR is a family of vision-language-action models for robot manipulation developed by ByteDance Seed, built on internet video pretraining and released as GR-1, GR-2, and GR-3 between 2023 and July 2025.
GR-5 Gas Pipeline
The GR-5 gas pipeline is a 48-inch natural gas pipeline in Algeria, owned by Sonatrach, running 765 km from Reggane to the Hassi R'Mel gas hub, inaugurated in 2018.
GraalVM
GraalVM is a high-performance, polyglot virtual machine and JDK distribution developed by Oracle Labs, first released in 2018. Its Native Image technology compiles Java applications ahead of time into standalone native executables that start in milliseconds.
GrabCut
GrabCut is an interactive image segmentation algorithm designed at Microsoft Research Cambridge and published in 2004, which extracts a foreground object given minimal user input such as a rectangle.
GRACE and GRACE-FO
GRACE (Gravity Recovery and Climate Experiment) and GRACE-FO are twin-satellite NASA missions, launched in 2002 and 2018, that measure Earth's changing gravity field to track water and ice.
Grace Darling
Grace Darling, full name Grace Horsley Darling, was an English lighthouse keeper's daughter who with her father rescued nine survivors of the wrecked Forfarshire in 1838.
Grace Hopper
Grace Brewster Murray Hopper (1906–1992), known as Admiral Hopper, was an American computer scientist and Navy rear admiral who built early compilers for the UNIVAC I and helped bring about COBOL.
Graceful degradation
Graceful degradation is a software design approach in which a system under high load or partial failure keeps functioning with reduced performance or accuracy, resuming full functionality when conditions normalize.
Graceland
Graceland is the Memphis, Tennessee estate of Elvis Presley, a 1939 mansion bought by Presley in 1957, opened to the public in 1982, and a National Historic Landmark since 2006.
Gracenote
Gracenote is an American entertainment metadata and content identification company owned by Nielsen, which acquired it in 2017; it began in the 1990s as CDDB.
Grad-CAM
Grad-CAM (Gradient-weighted Class Activation Mapping) is a visualization technique producing heatmaps of the image regions a convolutional neural network relied on for a prediction, introduced in 2016.
Grade I listed building
A Grade I listed building is a building or structure in England or Wales judged of exceptional interest, the highest of three grades, held by about 2.5% of England's listed buildings.
Grade II listed building
A Grade II listed building is a building in England or Wales of special architectural or historic interest, protected at the lowest of the three listing grades.
Grade II* listed building
A Grade II listed building is one in England or Wales defined as particularly important of more than special interest, covering about 5.8% of listed buildings.
Grade of Automation
Grade of Automation (GoA) is a five-level classification of how much of train operation is automated rather than done by staff, defined in IEC 62290-1:2014 for metros, from manual GoA0 to unattended GoA4.
Grade of service
Grade of service is a set of telephony traffic engineering variables, such as blocking probability and dial-tone delay, that measure network resource adequacy, distinct from quality of service.
Grade-separated pedestrian crossing
A grade-separated pedestrian crossing is an overpass, footbridge, or underpass that carries pedestrians over a roadway or railway, eliminating conflicts with motor traffic without stopping vehicles.
Grader
A grader, also called a motor grader or road grader, is a self-propelled earthmoving machine with an adjustable central blade used for fine grading and leveling roads.