MODEL PROOF
o4 Mini
BETTER VALUE OPTION
A stored alternative has an equal-or-higher measured score and an equal-or-lower price.
GPT-5.6 Luna · Δ score 77.3 points · 77% lower measured price · $0.450 / 1M tokens
MiMo-V2.6-Pro is a further stored option with these losses: no file input
- Independent LMArena score
- 1,353.2 ± 3.96 · 44,858 votes
- Context window
- 200K
- Maximum output
- 100K
- Input modalities
- image, text, file
- Output modalities
- text
- Published input price
- $1.10 / 1M tokens
- Published output price
- $4.40 / 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, with at least 90% of the reference context and at the maker’s precision or better, at its standard rate.
Every price dimension · USD per million tokens
| Input | $1.10/M |
|---|---|
| Output | $4.40/M |
| Cached input | $0.275/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.
1 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) |
|---|---|---|---|---|
| OpenAIopenai Endpoint terms
| $1.10 | $4.40 | undeclared | 100.00% |
Independent scores
| LMArena Elo | 1353.2default |
|---|---|
| LMArena row | o4-mini-2025-04-16 |
LMArena Elo under CC BY 4.0. Absence of another board is not a score of zero.
Best rankings by task
- UI components #112 987
- Data visualisation #113 994
- Game development #114 1008
- 3D #120 857
- Code categories #121 980
- Websites #125 988
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 | 200K |
|---|---|
| Max output | 100K |
| Input modes | image, text, file |
| Tool use | yes |
| Reasoning | optional |
| Knowledge cutoff | 2024-06-30 |
| Open weights | no |
Provenance
| Price source | openrouter.ai |
|---|---|
| Fetched | 2026-10-13 |
| Quality data | verified |
OpenAI o4-mini is a compact reasoning model in the o-series, optimized for fast, cost-efficient performance while retaining strong multimodal and agentic capabilities. It supports tool use and demonstrates competitive reasoning...
Questions this page answers
What does o4 Mini cost?
$1.10/M in, $4.40/M out in this catalogue, as of the fetch date on this page. That is the API row, not a subscription.
Does o4 Mini have an independent quality score?
o4 Mini has an LMArena score in this catalogue.
What beats o4 Mini?
GPT-5.6 Luna has an equal-or-higher measured score and an equal-or-lower price.
Does this page use Artificial Analysis scores for o4 Mini?
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__o4-mini/)<a href="https://undominated.ai/models/openai__o4-mini/"><img src="https://undominated.ai/badge/openai__o4-mini.svg" alt="o4 Mini — Undominated.ai dominance verdict" height="36"></a>Direct file: https://undominated.ai/badge/openai__o4-mini.svg — a static SVG, written by scripts/build-badges.mjs on every build, so the copy you embed is never
older than the last deploy.
