{ "id": "gpt-5.4-mini", "language": "el", "url": "https://alexgetman.com/el/models/openai/gpt-5-4-mini/", "name": "GPT-5.4 Mini", "model_identity": { "id": "gpt-5.4-mini", "name": "GPT-5.4 Mini", "maker": { "id": "openai", "name": "OpenAI" }, "version": "5.4", "checkpoint": null, "first_seen_at": "2026-09-19T20:25:27.127Z" }, "catalogue_section": "main", "stage": "released", "expectation": { "state": "released", "last_evidence_at": "2026-11-12T18:45:20.401Z", "related_model_id": null, "evidence": [], "claims": [ { "reference": "record:openai-chatgpt-release-notes:2026-03-18:gpt-5-4-mini-in-chatgpt:gpt-5.4-mini", "outcome": "unresolved" }, { "reference": "record:openai-codex-changelog:https://developers.openai.com/codex/changelog/#codex-2026-03-17:gpt-5.4-mini", "outcome": "unresolved" }, { "reference": "record:openai-codex-changelog:https://developers.openai.com/codex/changelog/#codex-2026-07-31:gpt-5.4-mini", "outcome": "unresolved" }, { "reference": "record:openai-api-changelog:openai-api:2026-03-17:https-developers-openai-com-api-docs-models-gpt-5-4-mini:gpt-5.4-mini", "outcome": "unresolved" }, { "reference": "record:openai-model-release-notes:2026-03-18:gpt-5-4-mini-in-chatgpt:gpt-5.4-mini", "outcome": "unresolved" }, { "reference": "code:github:openai/openai-agents-js:models:gpt-5.4-mini", "outcome": "confirmed" }, { "reference": "code:github:openai/openai-python:models:gpt-5.4-mini", "outcome": "confirmed" }, { "reference": "code:github:openai/openai-agents-python:models:gpt-5.4-mini", "outcome": "unresolved" }, { "reference": "code:github:openai/codex:models:gpt-5.4-mini:Production", "outcome": "confirmed" }, { "reference": "code:github:openai/codex:models:gpt-5.4-mini:Test", "outcome": "unresolved" }, { "reference": "code:github:openai/openai-agents-python:models:gpt-5.4-mini:Production:3aa6f5a247634c11d31bda7d1d3ee0567a7277a9bd707e14041d49b5036113dd", "outcome": "confirmed" }, { "reference": "code:github:openai/openai-node:models:gpt-5.4-mini:Production:f18cf7815163eb451bee9a5e9ffebba1fdd2e8c9e1f3cb3f6cd45d1d25105840", "outcome": "confirmed" }, { "reference": "record:openai-articles:https://openai.com/index/introducing-gpt-5-4-mini-and-nano:gpt-5.4-mini", "outcome": "unresolved" } ] }, "watch_presentation": { "placement": "expected", "family": { "key": "openai:gpt-mini", "name": "GPT Mini" } }, "observations": [], "timeline": [ { "reference": "record:openai-chatgpt-release-notes:2026-03-18:gpt-5-4-mini-in-chatgpt:gpt-5.4-mini", "kind": "editorial_mention", "at": "2026-10-07T18:13:28.058Z", "event_at": { "precision": "time", "value": "2026-03-18T00:00:00Z" }, "historical": true, "source": "openai-chatgpt-release-notes", "source_label": "OpenAI · ChatGPT release notes", "url": "https://help.openai.com/en/articles/6825453-chatgpt-release-notes", "quote": "GPT-5.4 mini will not appear as a selectable model in the model picker", "co_mentions": [] }, { "reference": "record:openai-codex-changelog:https://developers.openai.com/codex/changelog/#codex-2026-03-17:gpt-5.4-mini", "kind": "editorial_mention", "at": "2026-10-07T19:17:54.872Z", "event_at": { "precision": "time", "value": "2026-03-17T00:00:00Z" }, "historical": true, "source": "openai-codex-changelog", "source_label": "OpenAI · Codex changelog", "url": "https://developers.openai.com/codex/changelog/#codex-2026-03-17", "quote": "GPT-5.4 mini is available in the Codex app, the CLI, the IDE extension, and Codex on the web", "co_mentions": [] }, { "reference": "record:openai-codex-changelog:https://developers.openai.com/codex/changelog/#codex-2026-07-31:gpt-5.4-mini", "kind": "editorial_mention", "at": "2026-10-07T19:17:54.872Z", "event_at": { "precision": "time", "value": "2026-07-31T00:00:00Z" }, "historical": true, "source": "openai-codex-changelog", "source_label": "OpenAI · Codex changelog", "url": "https://developers.openai.com/codex/changelog/#codex-2026-07-31", "quote": "GPT-5.4 and GPT-5.4 mini will remain available on the OpenAI API and Codex sessions authenticated with an API key", "co_mentions": [] }, { "reference": "record:openai-api-changelog:openai-api:2026-03-17:https-developers-openai-com-api-docs-models-gpt-5-4-mini:gpt-5.4-mini", "kind": "editorial_mention", "at": "2026-10-07T19:47:46.396Z", "event_at": { "precision": "time", "value": "2026-03-17T00:00:00Z" }, "historical": true, "source": "openai-api-changelog", "source_label": "OpenAI · API changelog", "url": "https://developers.openai.com/api/docs/changelog", "quote": "Released GPT-5.4 mini and GPT-5.4 nano to the Chat Completions and Responses API", "co_mentions": [] }, { "reference": "record:openai-model-release-notes:2026-03-18:gpt-5-4-mini-in-chatgpt:gpt-5.4-mini", "kind": "editorial_mention", "at": "2026-11-05T14:39:16.565Z", "event_at": { "precision": "time", "value": "2026-03-18T00:00:00Z" }, "historical": true, "source": "openai-model-release-notes", "source_label": "OpenAI · Model release notes", "url": "https://help.openai.com/en/articles/9624314-model-release-notes", "quote": "Enterprise customers will retain the option to default Auto routing to GPT-5.4 mini, if preferred", "co_mentions": [] }, { "reference": "code:github:openai/openai-agents-js:models:gpt-5.4-mini", "kind": "catalogue_listed", "at": "2026-11-10T17:58:10.980Z", "historical": false, "code_usage": "production", "source": "github:openai/openai-agents-js:models", "source_label": "GitHub · openai/openai-agents-js · code", "url": "https://github.com/openai/openai-agents-js/blob/7589b9c40120b89a7d2d28a5a60b4defe1ed7bf5/packages/agents-core/src/sandbox/capabilities/compaction.ts", "quote": "-5-mini',\n 'gpt-5-nano',\n 'gpt-5-pro',\n 'gpt-5.1',\n 'gpt-5.1-codex',\n 'gpt-5.1-codex-max',\n 'gpt-5.1-codex-mini',\n 'gpt-5.2',\n 'gpt-5.2-codex',\n 'gpt-5.2-codex-cyber',\n 'gpt-5.2-pro',\n 'gpt-5.3-codex',\n 'gpt-5.3-codex-spark',\n 'gpt-5.4-mini',\n 'gpt-5.4-nano',\n]);\n\nconst SANDBOX_CONTEXT_WINDOWS_200K = new Set([\n 'codex-mini-latest',\n 'o1',\n 'o1-2024-12-17',\n 'o1-pro',\n 'o3',\n 'o3-2025-04-16',\n 'o3-mini',\n 'o3-pro',\n 'o3-deep-research',\n 'o4-mini',\n 'o4-mini-2025-04-16',\n 'o4-mini-deep-research',\n]);\n\nconst SANDBOX_CONTEXT_WINDOWS_128K = new Set([\n 'gpt-4o',\n 'gpt-4o-2024-08-06',\n 'gpt-4o-mini',\n 'gpt-4o-mini-2024-07-18',\n 'gpt-5-chat-latest',\n 'gpt-5.1-chat-latest',\n 'gpt-5.2-chat-latest',\n 'gpt-5.3-chat-latest',\n]);\n", "co_mentions": [] }, { "reference": "code:github:openai/openai-python:models:gpt-5.4-mini", "kind": "catalogue_listed", "at": "2026-11-10T17:58:16.002Z", "historical": false, "code_usage": "production", "source": "github:openai/openai-python:models", "source_label": "GitHub · openai/openai-python · code", "url": "https://github.com/openai/openai-python/blob/0ebd00647f6088fb100b03440c6c4554bbab549d/src/openai/types/beta/beta_responses_client_event.py", "quote": "-6.1-terra\",\n \"gpt-6-sol\",\n \"gpt-6-luna\",\n \"gpt-5.6-sol\",\n \"gpt-5.6-terra\",\n \"gpt-5.6-luna\",\n \"gpt-5.5\",\n \"gpt-5.5-2026-04-23\",\n \"gpt-5.4\",\n \"gpt-5.4-mini\",\n \"gpt-5.4-nano\",\n \"gpt-5.4-mini-2026-03-17\",\n \"gpt-5.4-nano-2026-03-17\",\n \"gpt-5.3-chat-latest\",\n \"gpt-5.2\",\n \"gpt-5.2-2025-12-11\",\n \"gpt-5.2-chat-latest\",\n \"gpt-5.2-pro\",\n \"gpt-5.2-pro-2025-12-11\",\n \"gpt-5.1\",\n \"gpt-5.1-2025-11-13\",\n \"gpt-5.1-codex\",\n \"gpt-5.1-mini\",\n \"gpt-5.1-chat-latest\",\n \"gpt-5\",\n \"gpt-5-mini\",\n \"gpt-5-nano\",\n \"gpt-5-2025-08-07\",\n \"gpt-5-mini-2025-08-07\",\n \"gpt-5-nano-2025-08-07\",\n ", "co_mentions": [] }, { "reference": "code:github:openai/openai-agents-python:models:gpt-5.4-mini", "kind": "catalogue_listed", "at": "2026-11-10T17:59:50.472Z", "historical": false, "code_usage": "example", "source": "github:openai/openai-agents-python:models", "source_label": "GitHub · openai/openai-agents-python · code", "url": "https://github.com/openai/openai-agents-python/blob/d68961657843c7d81dfc25834484f8aac2957eb3/examples/model_providers/README.md", "quote": "xamples/model_providers/litellm_provider.py\nuv run examples/model_providers/litellm_auto.py\n```\n\nDirect-model examples let you override the target model:\n\n```bash\nuv run examples/model_providers/any_llm_provider.py --model openrouter/openai/gpt-5.4-mini\nuv run examples/model_providers/litellm_provider.py --model openrouter/openai/gpt-5.4-mini\n```\n", "co_mentions": [] }, { "reference": "code:github:openai/codex:models:gpt-5.4-mini:Production", "kind": "catalogue_listed", "at": "2026-11-10T18:00:44.369Z", "historical": false, "code_usage": "production", "source": "github:openai/codex:models", "source_label": "GitHub · openai/codex · code", "url": "https://github.com/openai/codex/blob/82e6bacb9c6950d3b56cb153847fa80bdd698053/codex-rs/tui/src/app/startup_prompts.rs", "quote": "GPT-5.4\", \"GPT-6 Sol\"),\n (AMAZON_BEDROCK_PROVIDER_ID, \"openai.gpt-5.4\") => (\n \"openai.gpt-6-sol\",\n \"GPT-5.4 on Amazon Bedrock\",\n \"GPT-6 Sol on Amazon Bedrock\",\n ),\n (OPENAI_PROVIDER_ID, \"gpt-5.4-mini\") => (\"gpt-6-luna\", \"GPT-5.4 Mini\", \"GPT-6 Luna\"),\n _ => return None,\n };\n let availability = if model == \"openai.gpt-5.4\" {\n \"no longer offered in Codex\"\n } else {\n \"no longer available\"\n };\n Some(ModelUpgrade {\n id: target_model.to_string(),\n migration_config_key: model.to_string(),\n model_link: None,\n upgrade_copy: None,\n migration_markdown: Some(format!(\n \"{current_name} is {availability}\\n\\nCodex now uses {target_name} in place of {current_name}. Switch to {target_name} to continue.\\n\"\n )),\n retirement_at: None,\n })\n}\n\npub(super)", "co_mentions": [] }, { "reference": "code:github:openai/codex:models:gpt-5.4-mini:Test", "kind": "catalogue_listed", "at": "2026-11-10T18:00:44.369Z", "historical": false, "code_usage": "test", "source": "github:openai/codex:models", "source_label": "GitHub · openai/codex · code", "url": "https://github.com/openai/codex/blob/627b579219d492b5445d6d433d3110eb53e507dc/codex-rs/core/src/agent/role_tests.rs", "quote": "let (_home, mut config) = test_config_with_cli_overrides(Vec::new()).await;\n let before_layers = session_flags_layer_count(&config);\n config.model = Some(\"gpt-5.4-mini\".to_string());\n config.model_reasoning_effort = Some(ReasoningEffort::High);\n\n apply_role_to_config(&mut config, Some(\"explorer\"))\n .await\n .expect(\"explorer role should apply\");\n\n assert_eq!(config.model.as_deref(), Some(\"gpt-5.4-mini\"));\n assert_eq!(config.model_reasoning_effort, Some(Reaso", "co_mentions": [] }, { "reference": "code:github:openai/openai-agents-python:models:gpt-5.4-mini:Production:3aa6f5a247634c11d31bda7d1d3ee0567a7277a9bd707e14041d49b5036113dd", "kind": "catalogue_listed", "at": "2026-11-10T20:40:17.231Z", "historical": true, "code_usage": "production", "source": "github:openai/openai-agents-python:models", "source_label": "GitHub · openai/openai-agents-python · code", "url": "https://github.com/openai/openai-agents-python/blob/d68961657843c7d81dfc25834484f8aac2957eb3/src/agents/sandbox/capabilities/compaction.py", "quote": "1-codex-max\",\n \"gpt-5.1-codex-mini\",\n \"gpt-5.2\",\n \"gpt-5.2-2025-12-11\",\n \"gpt-5.2-codex\",\n \"gpt-5.2-pro\",\n \"gpt-5.2-pro-2025-12-11\",\n \"gpt-5.3-codex\",\n \"gpt-5.4-mini\",\n \"gpt-5.4-mini-2026-03-17\",\n \"gpt-5.4-nano\",\n \"gpt-5.4-nano-2026-03-17\",\n ),\n 400_000,\n ),\n **_model_context_windows(\n (\n \"codex-mini-latest\",\n \"o1\",\n \"o1-2024-12-17\",\n \"o1-pro\",\n \"o1-pro-2025-03-19\",\n \"o3\",\n \"o3-2025-04-16\",\n \"o3-deep-research\",\n \"o3-deep-research-2025-06-26\",\n \"o3-mini\",\n \"o3-mini-2025-01-31\",\n \"o3-pro\",\n \"o3-pro-2025-06-10\",\n \"o4-mini\",\n \"o4-mini-2025-04-16\",\n \"o4-mini-deep-rese", "co_mentions": [] }, { "reference": "code:github:openai/openai-node:models:gpt-5.4-mini:Production:f18cf7815163eb451bee9a5e9ffebba1fdd2e8c9e1f3cb3f6cd45d1d25105840", "kind": "catalogue_listed", "at": "2026-11-12T18:45:20.401Z", "historical": false, "code_usage": "production", "source": "github:openai/openai-node:models", "source_label": "GitHub · openai/openai-node · code", "url": "https://github.com/openai/openai-node/blob/b579bcb3e586d22269ffe6fe504653a0e05acbe8/src/resources/beta/responses/responses.ts", "quote": " */\n model:\n | 'gpt-6-astra'\n | 'gpt-6.1-sol'\n | 'gpt-6.1-terra'\n | 'gpt-6-sol'\n | 'gpt-6-luna'\n | 'gpt-5.6-sol'\n | 'gpt-5.6-terra'\n | 'gpt-5.6-luna'\n | 'gpt-5.5'\n | 'gpt-5.5-2026-04-23'\n | 'gpt-5.4'\n | 'gpt-5.4-mini'\n | 'gpt-5.4-nano'\n | 'gpt-5.4-mini-2026-03-17'\n | 'gpt-5.4-nano-2026-03-17'\n | 'gpt-5.3-chat-latest'\n | 'gpt-5.2'\n | 'gpt-5.2-2025-12-11'\n | 'gpt-5.2-chat-latest'\n | 'gpt-5.2-pro'\n | 'gpt-5.2-pro-2025-12-11'\n | 'gpt-5.1'\n | 'gpt-5.1-2025-11-13'\n | 'gpt-5.1-codex'\n | 'gpt-5.1-mini'\n | 'gpt-5.1-chat-latest'\n | 'gpt-5'\n | 'gpt-5-mini'\n | 'gpt-5-nano'\n | 'gpt-5-2025-08-07'\n | 'gpt-5-mini-2025-08-07'\n | 'gpt-5-nano-2025-08-07'\n | 'gpt-5-chat-latest'\n | 'gpt-4.1'\n | 'gpt-4.1-mini'\n | 'gpt-4.1-nano'\n | 'gpt-4.1-2025-04-14'\n | 'gpt-4.1-mini-2025-04-14'\n | 'gp", "co_mentions": [] }, { "reference": "record:openai-articles:https://openai.com/index/introducing-gpt-5-4-mini-and-nano:gpt-5.4-mini", "kind": "editorial_mention", "at": "2026-11-13T22:47:01.410Z", "event_at": { "precision": "time", "value": "2026-03-17T10:00:00Z" }, "historical": true, "watch_focus": "general", "source": "openai-articles", "source_label": "OpenAI · official articles", "url": "https://openai.com/index/introducing-gpt-5-4-mini-and-nano", "quote": "GPT‑5.4 mini is available today in the API, Codex, and ChatGPT", "co_mentions": [] } ], "offers": [ { "id": "[\"openai\",\"gpt-5.4-mini\",\"batch\",null]", "model_id": "gpt-5.4-mini", "provider_id": "openai", "api_id": "gpt-5.4-mini", "mode": "batch", "context_band": null, "available": false, "prices": { "currency": "USD", "unit": "per_million_tokens", "input": { "amount": 0.375, "mode": "batch", "source": "pricing:openai-pricing:batch", "observed_at": "2026-11-12T16:08:47.129Z", "evidence": [ { "source": "openai-pricing", "url": "https://developers.openai.com/api/docs/pricing", "authority": "first_party", "scope": { "kind": "offer", "id": "[\"openai\",\"gpt-5.4-mini\",\"batch\",null]" }, "detected_at": null, "checked_at": "2026-11-12T16:08:47.129Z" } ] }, "output": { "amount": 2.25, "mode": "batch", "source": "pricing:openai-pricing:batch", "observed_at": "2026-11-12T16:08:47.129Z", "evidence": [ { "source": "openai-pricing", "url": "https://developers.openai.com/api/docs/pricing", "authority": "first_party", "scope": { "kind": "offer", "id": "[\"openai\",\"gpt-5.4-mini\",\"batch\",null]" }, "detected_at": null, "checked_at": "2026-11-12T16:08:47.129Z" } ] }, "cached_input": { "amount": 0.0375, "mode": "batch", "source": "pricing:openai-pricing:batch", "observed_at": "2026-11-12T16:08:47.129Z", "evidence": [ { "source": "openai-pricing", "url": "https://developers.openai.com/api/docs/pricing", "authority": "first_party", "scope": { "kind": "offer", "id": "[\"openai\",\"gpt-5.4-mini\",\"batch\",null]" }, "detected_at": null, "checked_at": "2026-11-12T16:08:47.129Z" } ] } }, "characteristics": { "display_name": "GPT-5.4 Mini", "provider": "OpenAI", "release_date": null, "model_release_date": null, "release_scope": null, "release_precision": null, "reviewed_claim": null, "context": null, "max_output": null, "inputs": [], "outputs": [], "open_weights": null, "observed_at": "2026-11-12T16:08:47.129Z", "output_kind": "unknown", "origins": { "display_name": { "key": "displayName:openai-pricing", "observed_at": "2026-11-12T16:08:47.129Z", "story_updated_at": "2026-11-12T16:08:47.129Z", "evidence": [ { "source": "openai-pricing", "url": "https://developers.openai.com/api/docs/pricing", "authority": "first_party", "scope": { "kind": "offer", "id": "[\"openai\",\"gpt-5.4-mini\",\"batch\",null]" }, "detected_at": null, "checked_at": "2026-11-12T16:08:47.129Z" } ] }, "provider": { "key": "provider:openai-pricing", "observed_at": "2026-11-12T16:08:47.129Z", "story_updated_at": "2026-11-12T16:08:47.129Z", "evidence": [ { "source": "openai-pricing", "url": "https://developers.openai.com/api/docs/pricing", "authority": "first_party", "scope": { "kind": "offer", "id": "[\"openai\",\"gpt-5.4-mini\",\"batch\",null]" }, "detected_at": null, "checked_at": "2026-11-12T16:08:47.129Z" } ] } } }, "evidence": [ { "source": "openai-pricing", "url": 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