Identity
- Status
- active
- Developer ID
gpt-4.1-2025-04-14- Released
- Not reported
- Version
- GPT-4.1
- License
- Unknown
OpenAIGPT-4.1
GPT-4.1 is OpenAI's non-reasoning model for instruction following and tool calling.
- Context
- 1,047,576 tokens
- Inputs
- Text, Image
- Outputs
- Text
- Released
- Not reported
Providers & Pricing
Estimate workload cost →| Provider | Input / 1M | Output / 1M | Cache read / 1M | Cache write / 1M | Observed | Evidence |
|---|---|---|---|---|---|---|
OpenAIAvailable | $2.00 | $8.00 | $0.50 | — | Aug 29, 2026 | Provider-reported |
 OpenrouterAvailable | $1.00 | $4.00 | $0.25 | — | Sep 2, 2026 | Provider-reported |
OpenrouterAvailable | $2.00 | $8.00 | $0.50 | — | Sep 2, 2026 | Provider-reported |
Benchmarks
All benchmark results →| GPT-4.1OpenAI | Aider Polyglotpolyglot-225-5dc9490bb35f | 52.44 | — | 225 | diff; aider 0.81.4.devunknown | Recomputedwinner eligible | Third-party benchmark |
| GPT-4.1OpenAI | Berkeley Function Calling Leaderboardv4-ede5081a24bc | 53.96 | — | — | GPT-4.1-2025-04-14 (FC)unknown | Recomputedwinner eligible | Third-party benchmark |
| GPT-4.1OpenAI | Berkeley Function Calling Leaderboardv4-ede5081a24bc | 39.38 | — | — | GPT-4.1-2025-04-14 (Prompt)unknown | Recomputedwinner eligible | Third-party benchmark |
| GPT-4.1OpenAI | LMArena Text Arenatext-2026-09-01-011508720696 | 1,382.71 | — | 49,913 | gpt-4.1-2025-04-14; 95% CI [1379.00467679, 1386.41941365]; votes 49913; rank 153unknown | Original sourcewinner eligible | Third-party benchmark |
| GPT-4.1OpenAI | LMArena Vision Arenavision-2026-08-27-011508720696 | 1,210.32 | — | 41,034 | gpt-4.1-2025-04-14; 95% CI [1203.63813827, 1217.00696914]; votes 41034; rank 70unknown | Original sourcewinner eligible | Third-party benchmark |
At a Glance
Model Facts
Capacity
- Context
- 1,047,576 tokens
- Maximum output
- 32,768 tokens
- Total parameters
- Unknown
- Active parameters
- Unknown
- Knowledge cutoff
- Jun 1, 2024
Interface and Access
- Inputs
- Text, Image
- Outputs
- Text
- API available
- Yes
- Open weights
- No
- Self-hostable
- No
- Reasoning
- No
- Vision
- Yes
- Tool calling
- Yes
- Capabilities
- chat, generation, tools
This page represents one immutable developer model ID. Serving endpoints, pricing, regions, quantizations, and service tiers attach separately and never create duplicate model records.
Version Lineage
PredecessorUnknown
SuccessorsUnknown
Aliasesgpt-4.1, gpt-4.1-2025-04-14
Explicit Unknowns
- Release date
- Architecture
- Tokenizer
Primary Evidence
Sources and Observation Date
Comparable Peers
Related Model Comparisons
| A | Pair | B | Context |
|---|---|---|---|
GPT-4.1OpenAI | vs | GPT-4oOpenAI | family variantsimage, text |
GPT-4.1OpenAI | vs | GPT-4o MiniOpenAI | family variantsimage, text |
GPT-4.1OpenAI | vs | GPT-5.6 LunaOpenAI | family variantsimage, text |
GPT-4.1OpenAI | vs | GPT-5.6 TerraOpenAI | family variantsimage, text |
GPT-4.1OpenAI | vs |  Mistral-Small-4-119B-2603Mistral AI | cross-developer peersimage, text |
GPT-4.1OpenAI | vs | Claude Fable 5Anthropic | cross-developer peersimage, text |
GPT-4.1OpenAI | vs | Claude Opus 4.8Anthropic | cross-developer peersimage, text |
GPT-4.1OpenAI | vs | cross-developer peersimage, text | |
GPT-4.1OpenAI | vs |  Gemini 2.5 FlashGoogle DeepMind | cross-developer peerstext |
GPT-4.1OpenAI | vs | Gemini 3.6 FlashGoogle DeepMind | cross-developer peerstext |
GPT-4.1OpenAI | vs | Gemini 3.7 FlashGoogle DeepMind | cross-developer peerstext |
GPT-4.1OpenAI | vs | Gemini 3.1 ProGoogle DeepMind | cross-developer peerstext |
Questions
GPT-4.1 FAQs
What is GPT-4.1?+
GPT-4.1 is OpenAI's non-reasoning model for instruction following and tool calling. It is developed by OpenAI and its current sourced lifecycle status is active.
What inputs and outputs does GPT-4.1 support?+
GPT-4.1's current record lists Text and Image as input and Text as output.
How much context does GPT-4.1 support?+
The current record lists a 1,047,576-token context window and a maximum output of 32,768 tokens.
Is GPT-4.1 available through an API?+
GPT-4.1 is marked as API-available. The directly sourced provider records currently include OpenAI and Openrouter.
How much does GPT-4.1 cost through an API?+
The lowest directly sourced prices currently attached to GPT-4.1 are $1.00 per million input tokens through Openrouter and $4.00 per million output tokens through Openrouter. Prices are provider-specific and should be checked against each cited observation date.
What capabilities and tasks does GPT-4.1 support?+
GPT-4.1's recorded capabilities are chat, generation, and tools. Its supported tasks are image and text.
Can GPT-4.1 be self-hosted?+
GPT-4.1 is not marked as an open-weight model. Self-hosting is marked as unsupported, with no license recorded.
Does GPT-4.1 have related versions or aliases?+
No predecessor is recorded. No successor is recorded. Recorded aliases are gpt-4.1 and gpt-4.1-2025-04-14.
Which models can GPT-4.1 be compared with?+
The current compatible peer set includes GPT-4o, GPT-4o Mini, GPT-5.6 Luna, GPT-5.6 Terra, and Mistral-Small-4-119B-2603. Compatibility requires shared sourced modalities and tasks; it does not imply that one model is better. Browse model comparisons →
How current is the Model Markets record for GPT-4.1?+
GPT-4.1 was last verified Aug 29, 2026 from OpenAI's primary source, “GPT-4.1 Model | OpenAI API.” The evidence is classified as official fact.