Model comparison

DeepSeek V4.1 Flash vs Granite 4.2 8B

DeepSeek V4.1 Flash is the stronger model overall, scoring 52.8 to 40.5 on the Noometry Index. Granite 4.2 8B costs 2.4× less per token, which makes it the better buy when DeepSeek V4.1 Flash's lead doesn't matter for your workload.

Last verified October 10, 2026. 11 shared benchmarks.

DeepSeek V4.1 Flash

DeepSeek

52.8

Rank #38 Confirmed

Granite 4.2 8B IBM

40.5

Rank #148 Confirmed

Summary

They share 11 benchmarks with published results for both. DeepSeek V4.1 Flash scores higher in 7 categories and Granite 4.2 8B in 0 categories; 7 gaps are clear of the uncertainty.
The widest gap is in reasoning, where DeepSeek V4.1 Flash leads 50.2 to 26.6.
Granite 4.2 8B is cheaper at $0.06 / $0.25 per million input/output tokens, against $0.15 / $0.60 for DeepSeek V4.1 Flash.
DeepSeek V4.1 Flash accepts more context: 1M tokens versus 131K.

Side by side

DeepSeek V4.1 Flash and Granite 4.2 8B specifications
	DeepSeek V4.1 Flash	Granite 4.2 8B
Provider	DeepSeek	IBM
Noometry Index	52.8	40.5
Released	2026-09-09	—
Weights	Open	Open
Context window	1M	131K
Max output	393K	118K
Input $ / M tokens	$0.15	$0.06
Output $ / M tokens	$0.60	$0.25
Results tracked	37	11

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Category by category

Coding DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 52.9 (#32), Granite 4.2 8B: 40.5 (#137)

Coding benchmarks
Benchmark	DeepSeek V4.1 Flash	Granite 4.2 8B
LMArena Coding	1506	1380
LMArena WebDev	1619	—
SciCode	51.9%	—
ALE-Bench	1,092	—

Agentic & Tool Use Not comparable

DeepSeek V4.1 Flash: 31.2 (#69), Granite 4.2 8B: —

Agentic & Tool Use benchmarks
Benchmark	DeepSeek V4.1 Flash	Granite 4.2 8B
APEX-Agents	39.5%	—
GDP.pdf	19.8%	—

Reasoning DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 50.2 (#36), Granite 4.2 8B: 26.6 (#131)

Reasoning benchmarks
Benchmark	DeepSeek V4.1 Flash	Granite 4.2 8B
LMArena Hard Prompts	1483	1329
NYT Connections (extended)	89.6%	—
CritPt	14.3%	—
Mystery Game Puzzles	43%	—
DTBench	89.9%	—
LMCA	47%	—
Surface Evolver Bench	46.3%	—
Epoch Capabilities Index	154.9	—

Math Not comparable

DeepSeek V4.1 Flash: 66.7 (#25), Granite 4.2 8B: —

Math benchmarks
Benchmark	DeepSeek V4.1 Flash	Granite 4.2 8B
FrontierMath (Tiers 1-3)	67.4%	—
FrontierMath Tier 4	26.8%	—
OTIS Mock AIME 2024-2025	98.3%	—
ProofBench	54%	—
LMArena Math	1477	—

Knowledge DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 57.9 (#38), Granite 4.2 8B: 38.4 (#145)

Knowledge benchmarks
Benchmark	DeepSeek V4.1 Flash	Granite 4.2 8B
LMArena Expert	1506	1384
GPQA Diamond	89.8%	—

Multimodal Not comparable

DeepSeek V4.1 Flash: 39.1 (#61), Granite 4.2 8B: —

Multimodal benchmarks
Benchmark	DeepSeek V4.1 Flash	Granite 4.2 8B
LMArena Vision	1277	—
Furniture Assembly	34.2%	—

Multilingual DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 55.0 (#35), Granite 4.2 8B: 44.5 (#178)

Multilingual benchmarks
Benchmark	DeepSeek V4.1 Flash	Granite 4.2 8B
LMArena Non-English	1448	1302
LMArena Chinese	1497	1366
LMArena Russian	1471	1285
LMArena French	1452	—
LMArena German	1484	—
LMArena Japanese	1412	—
LMArena Korean	1452	—
LMArena Spanish	1459	—

Instruction Following DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 77.3 (#26), Granite 4.2 8B: 68.7 (#184)

Instruction Following benchmarks
Benchmark	DeepSeek V4.1 Flash	Granite 4.2 8B
LMArena Instruction Following	1474	1301

Long Context DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 45.2 (#47), Granite 4.2 8B: 40.3 (#159)

Long Context benchmarks
Benchmark	DeepSeek V4.1 Flash	Granite 4.2 8B
LMArena Longer Query	1475	1324

Writing & Preference DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 65.4 (#48), Granite 4.2 8B: 49.6 (#189)

Writing & Preference benchmarks
Benchmark	DeepSeek V4.1 Flash	Granite 4.2 8B
LMArena Text	1462	1320
LMArena Creative Writing	1435	1236
LMArena Multi-Turn	1457	1301
EQ-Bench Creative Writing	1540	—

Frequently asked questions

Is DeepSeek V4.1 Flash better than Granite 4.2 8B?

Which is cheaper, DeepSeek V4.1 Flash or Granite 4.2 8B?

Granite 4.2 8B is cheaper. It lists at $0.06 per million input tokens and $0.25 per million output tokens; DeepSeek V4.1 Flash lists at $0.15 and $0.60.

Is DeepSeek V4.1 Flash or Granite 4.2 8B better for coding?

DeepSeek V4.1 Flash scores higher on coding benchmarks: 52.9 versus 40.5 in the Noometry coding category.

Which has the bigger context window?

DeepSeek V4.1 Flash does, with 1M tokens against 131K.

How many benchmarks do DeepSeek V4.1 Flash and Granite 4.2 8B share?

11 benchmarks have published results for both models. DeepSeek V4.1 Flash has 37 scored results on Noometry and Granite 4.2 8B has 11.