new·The score now tells you which way it movedA brain's exam only ever grows: its own material writes questions, and so does every question a real caller asked and did not get answered. The score is a percentage over that growing set, so a brain that learned more could post a smaller number — and this week three did. One of them answered two MORE questions than the week before and showed eighteen points less. Printed as a single percentage, that reads as decline to a reader and as punishment to anyone who contributes material.all news →
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openai/models

9 notes, read out of this brain and free to use. Each one was extracted from a source and is re-checked against its exam.

OpenAI Responses API models supported

The Responses API supports models called via `openai.responses(modelId)`. Examples shown include 'gpt-4o', 'gpt-4o-mini', and 'gpt-5-mini'.

OpenAI reasoning models available APIs

OpenAI reasoning models (o1, o3, o3-mini, o4-mini) are available via both chat and responses APIs. The model gpt-5.1-codex-mini is available only via the responses API. Reasoning models generate only text and are only supported using generateText and streamText.

OpenAI text generation chat models full capabilities table

OpenAI chat models capabilities: - gpt-5.6: Image Input ✓, Audio Input ✗, Object Generation ✓, Tool Usage ✓ - gpt-5.6-luna: Image Input ✓, Audio Input ✗, Object Generation ✓, Tool Usage ✓ - gpt-5.6-sol: Image Input ✓, Audio Input ✗, Object Generation ✓, Tool Usage ✓ - gpt-5.6-terra: Image Input ✓, Audio Input ✗, Object Generation ✓, Tool Usage ✓ - gpt-5.5: Image Input ✓, Audio Input ✗, Object Generation ✓, Tool Usage ✓ - gpt-5.4-pro: Image Input ✓, Audio Input ✗, Object Generation ✓, Tool Usage ✓ - gpt-5.4: Image Input ✓, Audio Input ✗, Object Generation ✓, Tool Usage ✓ - gpt-5.4-mini: Image Input ✓, Audio Input ✗, Object Generation ✓, Tool Usage ✓ - gpt-5.4-nano: Image Input ✓, Audio Input ✗, Object Generation ✓, Tool Usage ✓ - gpt-5.3-chat-latest: Image Input ✓, Audio Input ✗, Object Generation ✓, Tool Usage ✓ - gpt-5.2-pro: Image Input ✓, Audio Input ✗, Object Generation ✓, Tool Usage ✓ - gpt-5.2-chat-latest: Image Input ✓, Audio Input ✗, Object Generation ✓, Tool Usage ✓ - gpt-5.2: Image Input ✓, Audio Input ✗, Object Generation ✓, Tool Usage ✓ - gpt-5.1-codex-mini: Image Input ✓, Audio Input ✗, Object Generation ✓, Tool Usage ✓ - gpt-5.1-codex: Image Input ✓, Audio Input ✗, Object Generation ✓, Tool Usage ✓ - gpt-5.1-chat-latest: Image Input ✓, Audio Input ✗, Object Generation ✓, Tool Usage ✓ - gpt-5.1: Image Input ✓, Audio Input ✗, Object Generation ✓, Tool Usage ✓ - gpt-5-pro: Image Input ✓, Audio Input ✗, Object Generation ✓, Tool Usage ✓ - gpt-5: Image Input ✓, Audio Input ✗, Object Generation ✓, Tool Usage ✓ - gpt-5-mini: Image Input ✓, Audio Input ✗, Object Generation ✓, Tool Usage ✓ - gpt-5-nano: Image Input ✓, Audio Input ✗, Object Generation ✓, Tool Usage ✓ - gpt-5-codex: Image Input ✓, Audio Input ✗, Object Generation ✓, Tool Usage ✓ - gpt-5-chat-latest: Image Input ✓, Audio Input ✗, Object Generation ✗, Tool Usage ✗ - gpt-4.1: Image Input ✓, Audio Input ✗, Object Generation ✓, Tool Usage ✓ - gpt-4.1-mini: Image Input ✓, Audio Input ✗, Object Generation ✓, Tool Usage ✓ - gpt-4.1-nano: Image Input ✓, Audio Input ✗, Object Generation ✓, Tool Usage ✓ - gpt-4o: Image Input ✓, Audio Input ✗, Object Generation ✓, Tool Usage ✓ - gpt-4o-mini: Image Input ✓, Audio Input ✗, Object Generation ✓, Tool Usage ✓

OpenAI embedding models capabilities table

OpenAI embedding models capabilities: - text-embedding-3-large: Default Dimensions 3072, Custom Dimensions ✓ - text-embedding-3-small: Default Dimensions 1536, Custom Dimensions ✓ - text-embedding-ada-002: Default Dimensions 1536, Custom Dimensions ✗

OpenAI image generation models capabilities table

OpenAI image generation models: - gpt-image-2: Sizes 1024x1024, 1536x1024, 1024x1536 - gpt-image-1.5: Sizes 1024x1024, 1536x1024, 1024x1536 - gpt-image-1-mini: Sizes 1024x1024, 1536x1024, 1024x1536 - gpt-image-1: Sizes 1024x1024, 1536x1024, 1024x1536 - dall-e-3: Sizes 1024x1024, 1792x1024, 1024x1792 - dall-e-2: Sizes 256x256, 512x512, 1024x1024

OpenAI transcription models capabilities table

OpenAI transcription models capabilities: - whisper-1: Transcription ✓, Streaming ✗, Duration ✓, Segments ✓, Language ✓ - gpt-4o-mini-transcribe: Transcription ✓, Streaming ✗, Duration ✗, Segments ✗, Language ✗ - gpt-4o-transcribe: Transcription ✓, Streaming ✗, Duration ✗, Segments ✗, Language ✗ - gpt-realtime-whisper: Transcription ✗, Streaming ✓, Duration ✗, Segments ✗, Language ✗

OpenAI speech models capabilities table

OpenAI speech models support instructions option: - tts-1: Instructions ✓ - tts-1-hd: Instructions ✓ - gpt-4o-mini-tts: Instructions ✓

OpenAI translation model capabilities

OpenAI translation model gpt-realtime-translate capabilities: Translated Audio ✓, Translated Text ✓, Source Transcript ✓. Translation models are streaming-only and used with experimental_streamTranslate. Auto-detects source language, accepts 24kHz 16-bit PCM input, outputs 24kHz 16-bit PCM audio.

OpenAI gpt-4o-audio-preview requires audio input

The gpt-4o-audio-preview model is currently in preview and requires at least some audio inputs. It will not work with non-audio data.

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