OpenAI
Ultra-lightweight variant of GPT-4.1 optimised for edge deployments and cost-constrained workloads, while retaining the 1 million token context.
38.6
Quality Score
1287
Arena ELO
Undisclosed
Parameters
1M
Context
This measures the amount of verifiable public evidence we have, not how capable the model is. A missing field means it has not been verified yet, not that its value is zero.
17 of 22 public signals
Use this section to answer one simple question first: how much outside evidence do we have that this model performs well? Structured benchmark scores appear first, then official provider evidence, then live arena signal.
This model has normalized benchmark rows, so scores here are directly comparable across benchmark sources.
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Apr 2025
Released
4/5 signals
4/4 signals
5/5 signals
1/4 signals
3/4 signals
Parameters
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Training compute
Not reported
Dataset scale
Not reported
Base model
Not reported
Source-reported access: API access · Unknown confidence
Gaps we are still tracking
These are recent benchmark or leaderboard claims from official provider sources. They are useful for freshness and context, but they are not treated the same as normalized independent benchmark rows.
GPT-4.1 nano Benchmark Update
Quality: 4.1/100 | Price: $0.175/M tokens | Output: 0 tok/s | MMLU: 0.657% | HumanEval: 0.326%
View sourcegpt-4.1-nano - Arena-Hard-Auto
Arena-Hard-Auto official Gemini-2.5 judged score 13.7 with CI -1.1/1
View sourceGPT-4.1 nano Benchmark Update
Quality: 9.6/100 | Price: $0.175/M tokens | Output: 0 tok/s | MMLU: 0.657% | HumanEval: 0.326%
View sourceGPT-4.1 nano Benchmark Update
Quality: 9.6/100 | Price: $0.175/M tokens | Output: 0 tok/s | MMLU: 0.657% | HumanEval: 0.326%
View sourceGPT-4.1 nano Benchmark Update
Quality: 9.6/100 | Price: $0.175/M tokens | Output: 0 tok/s | MMLU: 0.657% | HumanEval: 0.326%
View sourceGPT-4.1 nano Benchmark Update
Quality: 9.6/100 | Price: $0.175/M tokens | Output: 0 tok/s | MMLU: 0.657% | HumanEval: 0.326%
View source1287
ELO Score
1281 - 1295
95% Confidence
+/-7 points
6.3K
Battles
Sep 5, 2026
Last Updated
1089
ELO Score
1071 - 1107
95% Confidence
+/-18 points
1.2K
Battles
Sep 5, 2026
Last Updated