Identity
- Status
- active
- Developer ID
gpt-4.1-nano- Released
- Not reported
- Version
- GPT-4.1 Nano
- License
- Unknown
OpenAIGPT-4.1 Nano
GPT-4.1 Nano is the fastest, most cost-efficient GPT-4.1 model.
- Token context
- 1,048K 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 | $0.10 | $0.40 | $0.025 | — | Sep 3, 2026 | Provider-reported |
 OpenrouterAvailable | $0.10 | $0.40 | $0.025 | — | Oct 19, 2026 | Provider-reported |
OpenrouterAvailable | $0.050 | $0.20 | $0.0125 | — | Sep 3, 2026 | Provider-reported |
Benchmarks
All benchmark results →| Aider Polyglotpolyglot-225-5dc9490bb35f | 8.89 | — | 225 | whole; aider 0.81.4.devunknown | Recomputedwinner eligible | Third-party benchmark |
| Berkeley Function Calling Leaderboardv4-ede5081a24bc | 33.05 | — | — | GPT-4.1-nano-2025-04-14 (FC)unknown | Recomputedwinner eligible | Third-party benchmark |
| Berkeley Function Calling Leaderboardv4-ede5081a24bc | 24.88 | — | — | GPT-4.1-nano-2025-04-14 (Prompt)unknown | Recomputedwinner eligible | Third-party benchmark |
| LMArena Text Arenatext-2026-10-15-a64ca3b12b6e | 1,284.78 | — | 6,103 | gpt-4.1-nano-2025-04-14; 95% CI [1277.13551573, 1292.41837024]; votes 6103; rank 264unknown | Original sourcewinner eligible | Third-party benchmark |
| LMArena Vision Arenavision-2026-10-09-a64ca3b12b6e | 1,063.24 | — | 1,211 | gpt-4.1-nano-2025-04-14; 95% CI [1044.95158579, 1081.52393740]; votes 1211; rank 137unknown | Original sourcewinner eligible | Third-party benchmark |
At a Glance
Model Facts
Capacity
- Token context
- 1,048K tokens
- Maximum output
- 33K 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 developer model product. Dated API snapshots, serving endpoints, pricing, regions, quantizations, and service tiers attach as versioned aliases or provider details and never create duplicate public model records.
Version Lineage
PredecessorUnknown
SuccessorsUnknown
Aliasesgpt-4.1-nano, gpt-4.1-nano-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-4.1 NanoOpenAI | vs |  MiniMax M3MiniMax | cross-developer peersimage, text |
GPT-4.1 NanoOpenAI | vs |  Nova 2 LiteAmazon | cross-developer peersimage, text |
GPT-4.1 NanoOpenAI | vs | Claude Mythos 5.1Anthropic | cross-developer peersimage, text |
GPT-4.1 NanoOpenAI | vs |  MolmoWeb 8BAi2 | cross-developer peersimage, text |
GPT-4.1 NanoOpenAI | vs | Claude Opus 5Anthropic | cross-developer peersimage, text |
GPT-4.1 NanoOpenAI | vs |  Gemini Deep ResearchGoogle DeepMind | cross-developer peerstext |
GPT-4.1 NanoOpenAI | vs | Gemini Computer UseGoogle DeepMind | cross-developer peerstext |
GPT-4.1 NanoOpenAI | vs | Gemini 3.5 Flash LiteGoogle DeepMind | cross-developer peerstext |
GPT-4.1 NanoOpenAI | vs | cross-developer peersimage, text | |
GPT-4.1 NanoOpenAI | vs | GPT-5 NanoOpenAI | family variantsimage, text |
GPT-4.1 NanoOpenAI | vs | GPT-5.4 NanoOpenAI | family variantsimage, text |
GPT-4.1 NanoOpenAI | vs | GPT-5.6 LunaOpenAI | family variantsimage, text |
Questions
GPT-4.1 Nano FAQs
What is GPT-4.1 Nano?+
GPT-4.1 Nano is the fastest, most cost-efficient GPT-4.1 model. It is developed by OpenAI and its current sourced lifecycle status is active.
What inputs and outputs does GPT-4.1 Nano support?+
GPT-4.1 Nano's current record lists Text and Image as input and Text as output.
How much context does GPT-4.1 Nano support?+
The current record lists a 1,048K-token context window and a maximum output of 33K tokens.
Is GPT-4.1 Nano available through an API?+
GPT-4.1 Nano is marked as API-available. The directly sourced provider records currently include Openai and Openrouter.
How much does GPT-4.1 Nano cost through an API?+
The lowest directly sourced prices currently attached to GPT-4.1 Nano are $0.050 per million input tokens through Openrouter and $0.20 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 Nano support?+
GPT-4.1 Nano's recorded capabilities are chat, generation, and tools. Its supported tasks are image and text.
Can GPT-4.1 Nano be self-hosted?+
GPT-4.1 Nano is not marked as an open-weight model. Self-hosting is marked as unsupported, with no license recorded.
Does GPT-4.1 Nano have related versions or aliases?+
No predecessor is recorded. No successor is recorded. Recorded aliases are gpt-4.1-nano and gpt-4.1-nano-2025-04-14.
Which models can GPT-4.1 Nano be compared with?+
The current compatible peer set includes MiniMax M3, Nova 2 Lite, Claude Mythos 5.1, MolmoWeb 8B, and Claude Opus 5. 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 Nano?+
GPT-4.1 Nano was last verified Aug 29, 2026 from OpenAI's primary source, “GPT-4.1 Nano Model | OpenAI API.” The evidence is classified as official fact.