Model comparison

Inkling-Small vs Phi-4 Mini

Inkling-Small is the stronger model overall, scoring 46.5 to 30.9 on the Noometry Index. Phi-4 Mini costs 4.9× less per token, which makes it the better buy when Inkling-Small's lead doesn't matter for your workload.

Last verified . 2 shared benchmarks.

Inkling-Small Thinking Machines Lab

46.5

Rank #63 Confirmed

Phi-4 Mini Microsoft

30.9

Rank #283 Reported

Summary

  • They share 2 benchmarks with published results for both. Inkling-Small scores higher in 3 categories and Phi-4 Mini in 0 categories; 3 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Inkling-Small leads 48.2 to 25.3.
  • The biggest single-benchmark swing is SciCode: 48.7% for Inkling-Small and 10.8% for Phi-4 Mini.
  • Phi-4 Mini is cheaper at $0.075 / $0.30 per million input/output tokens, against $0.45 / $1.20 for Inkling-Small.
  • Inkling-Small accepts more context: 524K tokens versus 128K.

Side by side

Inkling-Small and Phi-4 Mini specifications
Inkling-SmallPhi-4 Mini
ProviderThinking Machines LabMicrosoft
Noometry Index46.530.9
Released2026-07-152024-12-11
WeightsOpenOpen
Context window524K128K
Max output1.05M4K
Input $ / M tokens$0.45$0.075
Output $ / M tokens$1.20$0.30
Results tracked333

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Category by category

Coding Inkling-Small leads

Inkling-Small: 43.6 (#85), Phi-4 Mini: 28.1 (#317)

Coding benchmarks
BenchmarkInkling-SmallPhi-4 Mini
SciCode48.7%10.8%
LMArena WebDev1409—
LMArena Coding1451—

Reasoning Inkling-Small leads

Inkling-Small: 38.6 (#63), Phi-4 Mini: 22.4 (#195)

Reasoning benchmarks
BenchmarkInkling-SmallPhi-4 Mini
CritPt8.3%0%
ARC-AGI-240.1%—
ARC-AGI-184%—
Chess Puzzles18%—
LMArena Hard Prompts1423—
Mystery Game Puzzles6%—
Epoch Capabilities Index150.15—

Math Not comparable

Inkling-Small: 45.1 (#77), Phi-4 Mini: —

Math benchmarks
BenchmarkInkling-SmallPhi-4 Mini
FrontierMath (Tiers 1-3)46.3%—
FrontierMath Tier 417.1%—
OTIS Mock AIME 2024-202590%—
ProofBench6%—
LMArena Math1459—

Knowledge Inkling-Small leads

Inkling-Small: 48.2 (#77), Phi-4 Mini: 25.3 (#262)

Knowledge benchmarks
BenchmarkInkling-SmallPhi-4 Mini
GPQA Diamond88.5%—
SimpleQA Verified19.1%—
Vectara Hallucination Rate—23.5%
LMArena Expert1442—

Multimodal Not comparable

Inkling-Small: 39.1 (#62), Phi-4 Mini: —

Multimodal benchmarks
BenchmarkInkling-SmallPhi-4 Mini
LMArena Vision1235—

Multilingual Not comparable

Inkling-Small: 51.7 (#104), Phi-4 Mini: —

Multilingual benchmarks
BenchmarkInkling-SmallPhi-4 Mini
LMArena Non-English1402—
LMArena Chinese1465—
LMArena French1436—
LMArena German1405—
LMArena Japanese1405—
LMArena Korean1363—
LMArena Russian1391—
LMArena Spanish1428—

Instruction Following Not comparable

Inkling-Small: 73.8 (#114), Phi-4 Mini: —

Instruction Following benchmarks
BenchmarkInkling-SmallPhi-4 Mini
LMArena Instruction Following1399—

Long Context Not comparable

Inkling-Small: 42.7 (#118), Phi-4 Mini: —

Long Context benchmarks
BenchmarkInkling-SmallPhi-4 Mini
LMArena Longer Query1401—

Writing & Preference Not comparable

Inkling-Small: 59.6 (#107), Phi-4 Mini: —

Writing & Preference benchmarks
BenchmarkInkling-SmallPhi-4 Mini
LMArena Text1414—
LMArena Creative Writing1331—
EQ-Bench Creative Writing1491—
LMArena Multi-Turn1418—

Frequently asked questions

Is Inkling-Small better than Phi-4 Mini?

Inkling-Small is the stronger model overall, scoring 46.5 to 30.9 on the Noometry Index. Phi-4 Mini costs 4.9× less per token, which makes it the better buy when Inkling-Small's lead doesn't matter for your workload.

Which is cheaper, Inkling-Small or Phi-4 Mini?

Phi-4 Mini is cheaper. It lists at $0.075 per million input tokens and $0.30 per million output tokens; Inkling-Small lists at $0.45 and $1.20.

Is Inkling-Small or Phi-4 Mini better for coding?

Inkling-Small scores higher on coding benchmarks: 43.6 versus 28.1 in the Noometry coding category.

Which has the bigger context window?

Inkling-Small does, with 524K tokens against 128K.

How many benchmarks do Inkling-Small and Phi-4 Mini share?

2 benchmarks have published results for both models. Inkling-Small has 33 scored results on Noometry and Phi-4 Mini has 3.

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