# GPT-4.1 GPT-4.1 es un modelo de OpenAI, lanzado el 2025-04-14. La ventana de contexto es de 1.047.576 tokens. El máximo de salida es de 32.768 tokens. El precio por millón de tokens es de $2,00 para la entrada y $8,00 para la salida. - Desarrollador: OpenAI - Id: gpt-4.1 - Según informes: 2025-04-14T10:00:00.000Z - Lanzado: 2025-04-14T00:00:00.000Z - Detección: 2026-09-27T20:12:36.085Z - [enlace de referencia](https://opencode.ai/data/openai/gpt-4-1) - Estado: Lanzado - Disponibilidad en API: 2025-04-14 - [enlace de referencia](https://openai.com/index/gpt-4-1/) - [enlace de referencia](https://openai.com/index/gpt-4-1) - [enlace de referencia](https://openai.com/index/gpt-4-1) - Actualización de producto: 2025-05-14 - [enlace de referencia](https://help.openai.com/en/articles/6825453-chatgpt-release-notes) - [enlace de referencia](https://help.openai.com/en/articles/9624314-model-release-notes) - Canónica: https://alexgetman.com/es/models/openai/gpt-4-1/ ## Preguntas ### ¿Cuál es la ventana de contexto de GPT-4.1? La ventana de contexto es de 1.047.576 tokens. El máximo de salida es de 32.768 tokens. ### ¿Cuánto cuesta GPT-4.1? El precio por millón de tokens es de $2,00 para la entrada y $8,00 para la salida. La entrada en caché cuesta $0,50 por millón. ### ¿Cuándo se lanzó GPT-4.1? El 2025-04-14. ## Cronología - 2026-10-07T18:13:28.058Z · [OpenAI · ChatGPT release notes](https://help.openai.com/en/articles/6825453-chatgpt-release-notes) > Starting today, Plus, Pro, and Team users can access GPT-4.1 via the "more models" dropdown in the model picker - 2026-10-07T19:40:56.675Z · [OpenAI · news](https://openai.com/index/gpt-4-1) > Introducing GPT-4.1 in the API—a new family of models with across-the-board improvements, including major gains in coding, instruction following, and long-context understanding - 2026-11-05T14:39:16.565Z · [OpenAI · Model release notes](https://help.openai.com/en/articles/9624314-model-release-notes) > Starting today, Plus, Pro, and Team users can access GPT-4.1 via the "more models" dropdown in the model picker - 2026-11-10T17:58:10.980Z · [GitHub · openai/openai-agents-js · code](https://github.com/openai/openai-agents-js/blob/7589b9c40120b89a7d2d28a5a60b4defe1ed7bf5/packages/agents-core/src/sandbox/capabilities/compaction.ts) > _WINDOWS_1M = new Set([ > 'gpt-6-astra', > 'gpt-6-sol', > 'gpt-6-luna', > 'gpt-6.1-sol', > 'gpt-5.6', > 'gpt-5.6-sol', > 'gpt-5.6-terra', > 'gpt-5.6-luna', > 'gpt-5.4', > 'gpt-5.4-2026-03-05', > 'gpt-5.4-pro', > 'gpt-5.4-pro-2026-03-05', > 'gpt-4.1', > 'gpt-4.1-2025-04-14', > 'gpt-4.1-mini', > 'gpt-4.1-mini-2025-04-14', > 'gpt-4.1-nano', > 'gpt-4.1-nano-2025-04-14', > ]); > > const SANDBOX_CONTEXT_WINDOWS_400K = new Set([ > 'gpt-5', > 'gpt-5-codex', > 'gpt-5-mini', > 'gpt-5-nano', > 'gpt-5-pro', > 'gpt-5.1', > 'gpt-5.1-codex', > 'gpt-5.1-codex-max', > 'gpt-5.1-codex-mini', > 'gpt-5.2', > 'gpt-5.2-codex', > 'gpt-5.2-codex-cyber', > 'gpt-5.2-pro', > 'gpt-5.3-codex', > 'gpt-5.3-codex-spark', > 'gpt-5.4-mini', > 'gpt-5.4-nano', > ]); > > const SANDBOX_CONTEXT_WINDOWS_200K = new Set([ > 'codex-mini-latest', > 'o1', > 'o1-2024-12-17', > 'o1-pro', > 'o3', > 'o3-2025-04-16', > 'o3-mini', > 'o3 - 2026-11-10T17:58:16.002Z · [GitHub · openai/openai-python · code](https://github.com/openai/openai-python/blob/0ebd00647f6088fb100b03440c6c4554bbab549d/src/openai/types/beta/beta_responses_client_event.py) > 1-chat-latest", > "gpt-5", > "gpt-5-mini", > "gpt-5-nano", > "gpt-5-2025-08-07", > "gpt-5-mini-2025-08-07", > "gpt-5-nano-2025-08-07", > "gpt-5-chat-latest", > "gpt-4.1", > "gpt-4.1-mini", > "gpt-4.1-nano", > "gpt-4.1-2025-04-14", > "gpt-4.1-mini-2025-04-14", > "gpt-4.1-nano-2025-04-14", > "o4-mini", > "o4-mini-2025-04-16", > "o3", > "o3-2025-04-16", > "o3-mini", > "o3-mini-2025-01-31", > "o1", > "o1-2024-12-17", > "o1-preview", > "o1-preview-2024-09-12", > "o1-mini", > "o1-mini-2024-09-12", > "gpt-4o", > "gpt-4o-2024-11-20", > "gpt-4o-2024-08-06", > "gpt-4o-2024-05-13", > "gpt-aud - 2026-11-10T17:59:50.472Z · [GitHub · openai/openai-agents-python · code](https://github.com/openai/openai-agents-python/blob/d68961657843c7d81dfc25834484f8aac2957eb3/docs/ja/models/index.md) > `openai/...` と `any-llm/...` のモデル名を混在させる場合は、[`MultiProvider`][agents.MultiProvider] を使用し、そこで `openai_use_responses_websocket=True` を設定します。 > > `MultiProvider` には、従来からの次の 2 つのデフォルト動作があります。 > > - `openai/...` は OpenAI プロバイダーのエイリアスとして扱われるため、`openai/gpt-4.1` はモデル `gpt-4.1` としてルーティングされます。 > - 不明なプレフィックスはそのまま渡されず、`UserError` が発生します。 > > リテラルの名前空間付きモデル ID を要求する OpenAI 互換エンドポイントを OpenAI プロバイダーで使用する場合は、パススルー動作を明示的に有効にしてください。WebSocket が有効な設定では、`MultiProvider` にも `openai_use_responses_websocket=True` を維持してください。 > > ```python > from agents import Agent, MultiProvider, RunConfig, Runner > > provider = MultiProvider( > openai_base_url="https://openrouter.ai/api/v1", > openai_api_key="...", > openai_use_responses_websocket=True, > openai_prefix_mode="model_id", > unknown_prefix_mode="model_id", > ) > > agent = Agent( > name="Assistant", > instructions="Be concise.", > model="openai/gpt-4.1", > ) > > re Esta referencia en el código no confirma un identificador de modelo en uso. - 2026-11-10T18:00:44.369Z · [GitHub · openai/codex · code](https://github.com/openai/codex/blob/627b579219d492b5445d6d433d3110eb53e507dc/codex-rs/apply-patch/src/parser.rs) > ror> { > let mode = if PARSE_IN_STRICT_MODE { > ParseMode::Strict > } else { > ParseMode::Lenient > }; > parse_patch_text(patch, mode) > } > > enum ParseMode { > /// Parse the patch text argument as is. > Strict, > > /// GPT-4.1 is known to formulate the `command` array for the `local_shell` > /// tool call for `apply_patch` call using something like the following: > /// > /// ```json > /// [ > /// "apply_patch", > /// "<<'EOF'\n*** Begin Patch\n*** Update File: README.md\n@@...\n*** End Patch\nEOF\n", > /// ] > /// ``` > /// > /// This is a problem because `local_shell` is a bit of a misnomer: the > /// `command` is not invoked by passing the arguments to a shell like Bash, > /// but are invoked using something akin to `execvpe(3)`. > /// > /// This is significant in this case because where a shell would interpret > /// ` Esta referencia en el código no confirma un identificador de modelo en uso. - 2026-11-10T18:00:44.369Z · [GitHub · openai/codex · code](https://github.com/openai/codex/blob/82e6bacb9c6950d3b56cb153847fa80bdd698053/codex-rs/apply-patch/src/parser.rs) > ror> { > let mode = if PARSE_IN_STRICT_MODE { > ParseMode::Strict > } else { > ParseMode::Lenient > }; > parse_patch_text(patch, mode) > } > > enum ParseMode { > /// Parse the patch text argument as is. > Strict, > > /// GPT-4.1 is known to formulate the `command` array for the `local_shell` > /// tool call for `apply_patch` call using something like the following: > /// > /// ```json > /// [ > /// "apply_patch", > /// "<<'EOF'\n*** Begin Patch\n*** Update File: README.md\n@@...\n*** End Patch\nEOF\n", > /// ] > /// ``` > /// > /// This is a problem because `local_shell` is a bit of a misnomer: the > /// `command` is not invoked by passing the arguments to a shell like Bash, > /// but are invoked using something akin to `execvpe(3)`. > /// > /// This is significant in this case because where a shell would interpret > /// ` Esta referencia en el código no confirma un identificador de modelo en uso. - 2026-11-10T20:40:17.231Z · [GitHub · openai/openai-agents-python · code](https://github.com/openai/openai-agents-python/blob/d68961657843c7d81dfc25834484f8aac2957eb3/src/agents/extensions/models/litellm_provider.py) > dels import get_default_model > from ...models.interface import Model, ModelProvider > from .litellm_model import LitellmModel > > # This is kept for backward compatibility but using get_default_model() method is recommended. > DEFAULT_MODEL: str = "gpt-4.1" > > > class LitellmProvider(ModelProvider): > """A ModelProvider that uses LiteLLM to route to any model provider. You can use it via: > ```python > Runner.run(agent, input, run_config=RunConfig(model_provider=LitellmProvider())) > ``` > See supported models here: [litellm models](https://docs.litellm.ai/docs/providers). > > NOTE: API keys must be set via environment variables. If you're using models that require > additional configuration (e.g. Azure API base or version), those must also be set via the > environment variables that LiteLLM expects. If you have more advanced needs, we recommend > copy-pasting this clas - 2026-11-12T18:45:20.401Z · [GitHub · openai/openai-node · code](https://github.com/openai/openai-node/blob/b579bcb3e586d22269ffe6fe504653a0e05acbe8/src/resources/beta/assistants.ts) > s.openai.com/api/docs/models) for descriptions > * of them. > */ > model?: > | (string & {}) > | 'gpt-5' > | 'gpt-5-mini' > | 'gpt-5-nano' > | 'gpt-5-2025-08-07' > | 'gpt-5-mini-2025-08-07' > | 'gpt-5-nano-2025-08-07' > | 'gpt-4.1' > | 'gpt-4.1-mini' > | 'gpt-4.1-nano' > | 'gpt-4.1-2025-04-14' > | 'gpt-4.1-mini-2025-04-14' > | 'gpt-4.1-nano-2025-04-14' > | 'o3-mini' > | 'o3-mini-2025-01-31' > | 'o1' > | 'o1-2024-12-17' > | 'gpt-4o' > | 'gpt-4o-2024-11-20' > | 'gpt-4o-2024-08-06' > | 'gpt-4o-2024-05-13' > | 'gpt-4o-mini' > | 'gpt-4o-mini-2024-07-18' > | 'gpt-4.5-preview' > | 'gpt-4.5-preview-2025-02-27' > | 'gpt-4-turbo' > | 'gpt-4-turbo-2024-04-09' > | 'gpt-4-0125-preview' > | 'gpt-4-turbo-preview' > | 'gpt-4-1106-preview' > | 'gpt-4-vision-preview' > | 'gpt-4' > | 'gpt-4-0314' > | 'gpt-4-0613' > | 'gpt-4 - 2026-11-14T00:29:48.887Z · [OpenAI · official articles](https://openai.com/index/introducing-gpt-5-2) - 2026-11-14T01:20:31.106Z · [OpenAI · official articles](https://openai.com/index/introducing-gpt-5-for-developers) > On OpenAI-MRCR, a measure of long-context information retrieval, GPT‑5 outperforms o3 and GPT‑4.1, by a margin that grows substantially at longer input lengths - 2026-11-14T01:41:00.390Z · [OpenAI · official articles](https://openai.com/index/healthbench) - 2026-11-14T02:01:23.702Z · [OpenAI · official articles](https://openai.com/index/introducing-o3-and-o4-mini) - 2026-11-14T02:21:52.804Z · [OpenAI · official articles](https://openai.com/index/gpt-4-1) > Introducing GPT‑4.1 in the API **Uso confirmado** - 2026-11-14T02:21:52.804Z · [OpenAI · official articles · Introducing GPT-4.1 in the API](https://openai.com/index/gpt-4-1) ## Enlaces de referencia - [Artificial Analysis · benchmarks](https://artificialanalysis.ai/models) - [review](https://developers.openai.com/api/docs/models/gpt-4.1) - [openai-pricing](https://developers.openai.com/api/docs/pricing) - [GitHub · openai/codex · code](https://github.com/openai/codex/blob/627b579219d492b5445d6d433d3110eb53e507dc/codex-rs/apply-patch/src/parser.rs) - [GitHub · openai/codex · code](https://github.com/openai/codex/blob/82e6bacb9c6950d3b56cb153847fa80bdd698053/codex-rs/apply-patch/src/parser.rs) - [GitHub · openai/openai-agents-js · code](https://github.com/openai/openai-agents-js/blob/7589b9c40120b89a7d2d28a5a60b4defe1ed7bf5/packages/agents-core/src/sandbox/capabilities/compaction.ts) - [GitHub · openai/openai-agents-python · code](https://github.com/openai/openai-agents-python/blob/d68961657843c7d81dfc25834484f8aac2957eb3/docs/ja/models/index.md) - [GitHub · openai/openai-agents-python · code](https://github.com/openai/openai-agents-python/blob/d68961657843c7d81dfc25834484f8aac2957eb3/src/agents/extensions/models/litellm_provider.py) - [GitHub · openai/openai-node · code](https://github.com/openai/openai-node/blob/b579bcb3e586d22269ffe6fe504653a0e05acbe8/src/resources/beta/assistants.ts) - [GitHub · openai/openai-python · code](https://github.com/openai/openai-python/blob/0ebd00647f6088fb100b03440c6c4554bbab549d/src/openai/types/beta/beta_responses_client_event.py) - [openai-chatgpt-release-notes](https://help.openai.com/en/articles/6825453-chatgpt-release-notes) - [openai-model-release-notes](https://help.openai.com/en/articles/9624314-model-release-notes) - [models.dev · catalogue](https://models.dev/#gpt-4.1) - [openai-articles](https://openai.com/index/gpt-4-1) - [review](https://openai.com/index/gpt-4-1/) - [openai-articles](https://openai.com/index/healthbench) - [OpenAI · official articles](https://openai.com/index/introducing-gpt-5-2) - [openai-articles](https://openai.com/index/introducing-gpt-5-for-developers) - [openai-articles](https://openai.com/index/introducing-o3-and-o4-mini) - [discovery:opencode-data](https://opencode.ai/data/openai/gpt-4-1) - [openrouter](https://openrouter.ai/openai/gpt-4.1) - [openrouter](https://openrouter.ai/openai/gpt-4.1:batch) - [Vercel AI Gateway](https://vercel.com/ai-gateway) ## Señales - [GPT-4.1: Disponibilidad en API](https://alexgetman.com/es/signals/2026/09/27/gpt-4-1-2/)