MODEL PROOF
GPT-4.1 Nano
TRADE-OFF
A stored alternative has an equal-or-higher score and an equal-or-lower price, with capability losses.
MiMo-V2.6-Flash · Δ score 171.6 points · same measured price
- no file input
- Independent LMArena score
- 1,284.8 ± 7.64 · 6,103 votes
- Context window
- 1.05M
- Maximum output
- 32.77K
- Input modalities
- image, text, file
- Output modalities
- text
- Published input price
- $0.100 / 1M tokens
- Published output price
- $0.400 / 1M tokens
- Pricing kind
- fixed
Inspect complete billing conditions and endpoint terms below.
Price from OpenAI: the cheapest offer that is serving, at standard delivery and at the maker’s precision or better, at its standard rate.
Every price dimension · USD per million tokens
| Input | $0.100/M |
|---|---|
| Output | $0.400/M |
| Cached input | $0.025/M |
| Cache write | Unknown/M |
| Cache write 1h | Unknown/M |
| Reasoning | Unknown/M |
| Web search | $0.01/call |
Who sells it
The same weights, different shops. Cheapest is not like-for-like when serving precision differs.
3 provider offers · rates, limits and conditions
Rates are USD per million tokens. Endpoint terms can differ even when the quoted price and precision match. A listed parameter is a provider declaration, not a task-success test.
| Seller | Input | Output | Precision | Uptime (1d) |
|---|---|---|---|---|
| Azureazure Endpoint terms
| $0.100 | $0.400 | undeclared | 99.13% |
| OpenAIopenai Endpoint terms
| $0.100 | $0.400 | undeclared | 99.92% |
| Azureazure/swedencentral Endpoint terms
| $0.110 | $0.440 | undeclared | 100.00% |
Independent scores
| LMArena Elo | 1284.8default |
|---|
LMArena Elo under CC BY 4.0. Absence of another board is not a score of zero.
Best rankings by task
- 3D #110 933
- Game development #114 983
- UI components #117 921
- Code categories #119 967
- Websites #120 979
- Data visualisation #121 897
Per-task Elo and rank from Design Arena, via OpenRouter’s model feed. The rank is the feed’s, and it counts models OpenRouter does not list.
Capability
| Context window | 1M |
|---|---|
| Max output | 32K |
| Input modes | image, text, file |
| Tool use | yes |
| Reasoning | no |
| Knowledge cutoff | 2024-06-30 |
| Open weights | no |
Provenance
| Price source | openrouter.ai |
|---|---|
| Fetched | 2026-10-06 |
| Quality data | verified |
For tasks that demand low latency, GPT‑4.1 nano is the fastest and cheapest model in the GPT-4.1 series. It delivers exceptional performance at a small size with its 1 million...
Questions this page answers
What does GPT-4.1 Nano cost?
$0.100/M in, $0.400/M out in this catalogue, as of the fetch date on this page. That is the API row, not a subscription.
Does GPT-4.1 Nano have an independent quality score?
GPT-4.1 Nano has an LMArena score in this catalogue.
What beats GPT-4.1 Nano?
MiMo-V2.6-Flash has an equal-or-higher measured score and an equal-or-lower price, with capability trade-offs.
Does this page use Artificial Analysis scores for GPT-4.1 Nano?
No. Artificial Analysis figures are not published here. Quality on this page is LMArena Elo where a score exists; otherwise the row is unrated.
MODEL MONUMENT
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The verdict as one SVG, for a README or a docs page. It states this model's dominance status at the balanced workload on the LMArena lens, with the date it was computed, and it is rebuilt with the catalogue — so it changes when the verdict changes, including to one you would rather it did not.
[](https://undominated.ai/models/openai__gpt-4.1-nano/)<a href="https://undominated.ai/models/openai__gpt-4.1-nano/"><img src="https://undominated.ai/badge/openai__gpt-4.1-nano.svg" alt="GPT-4.1 Nano — Undominated.ai dominance verdict" height="36"></a>Direct file: https://undominated.ai/badge/openai__gpt-4.1-nano.svg — a static SVG, written by scripts/build-badges.mjs on every build, so the copy you embed is never
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