Model comparison

DeepSeek V4.1 Flash vs Llama-3.3-70B-Instruct

DeepSeek V4.1 Flash is the stronger model overall, scoring 50.3 to 30.3 on the Noometry Index. Llama-3.3-70B-Instruct costs 1.7× less per token, which makes it the better buy when DeepSeek V4.1 Flash's lead doesn't matter for your workload.

Last verified . 19 shared benchmarks.

DeepSeek V4.1 Flash DeepSeek

50.3

Rank #40 Confirmed

Llama-3.3-70B-Instruct Meta

30.3

Rank #283 Confirmed

Summary

  • They share 19 benchmarks with published results for both. DeepSeek V4.1 Flash scores higher in 8 categories and Llama-3.3-70B-Instruct in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where DeepSeek V4.1 Flash leads 48.4 to 14.3.
  • The biggest single-benchmark swing is DTBench: 89.9% for DeepSeek V4.1 Flash and 59.5% for Llama-3.3-70B-Instruct.
  • Llama-3.3-70B-Instruct is cheaper at $0.10 / $0.32 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 128K.

Side by side

DeepSeek V4.1 Flash and Llama-3.3-70B-Instruct specifications
DeepSeek V4.1 FlashLlama-3.3-70B-Instruct
ProviderDeepSeekMeta
Noometry Index50.330.3
Released2026-09-092024-12-06
WeightsOpenOpen
Context window1M128K
Max output393K4K
Input $ / M tokens$0.15$0.10
Output $ / M tokens$0.60$0.32
Results tracked2543

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Category by category

Coding DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 52.8 (#29), Llama-3.3-70B-Instruct: 30.6 (#284)

Coding benchmarks
BenchmarkDeepSeek V4.1 FlashLlama-3.3-70B-Instruct
SciCode51.9%26%
LMArena Coding15111268
LMArena WebDev1620—
WeirdML—14.4%
BigCodeBench Instruct—46.9%
LiveBench Coding—36.6%
BigCodeBench Complete—57.5%
ALE-Bench1,092—

Agentic & Tool Use Not comparable

DeepSeek V4.1 Flash: —, Llama-3.3-70B-Instruct: 25.6 (#100)

Agentic & Tool Use benchmarks
BenchmarkDeepSeek V4.1 FlashLlama-3.3-70B-Instruct
Berkeley Function Calling Leaderboard—31.9%
BALROG—23%

Reasoning DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 46.2 (#39), Llama-3.3-70B-Instruct: 13.7 (#325)

Reasoning benchmarks
BenchmarkDeepSeek V4.1 FlashLlama-3.3-70B-Instruct
CritPt14.3%0%
LMArena Hard Prompts14851257
DTBench89.9%59.5%
LMCA47%17.5%
Epoch Capabilities Index155.01127.32
SimpleBench—19.9%
NYT Connections (extended)89.6%—
LiveBench Reasoning—50.8%
LiveBench Data Analysis—49.5%
Surface Evolver Bench46.3%—
ForecastBench—58.6
LiveBench—50.2%

Math DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 48.4 (#52), Llama-3.3-70B-Instruct: 14.3 (#292)

Math benchmarks
BenchmarkDeepSeek V4.1 FlashLlama-3.3-70B-Instruct
LMArena Math14931268
OTIS Mock AIME 2024-2025—5.1%
ProofBench54%—
LiveBench Math—42.2%
MATH Level 5—41.6%

Knowledge DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 41.6 (#97), Llama-3.3-70B-Instruct: 30.5 (#220)

Knowledge benchmarks
BenchmarkDeepSeek V4.1 FlashLlama-3.3-70B-Instruct
LMArena Expert15051225
GPQA Diamond—47.4%
Confabulations—22.8%
Vectara Hallucination Rate—4.1%
MMLU—86.3%

Multilingual DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 55.5 (#29), Llama-3.3-70B-Instruct: 40.1 (#215)

Multilingual benchmarks
BenchmarkDeepSeek V4.1 FlashLlama-3.3-70B-Instruct
LMArena Non-English14521236
LMArena Chinese15061217
LMArena French14481280
LMArena Russian14731252
LMArena Spanish14991269
LMArena German—1251
LMArena Japanese—1149
LMArena Korean—1142

Instruction Following DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 77.6 (#24), Llama-3.3-70B-Instruct: 71.3 (#152)

Instruction Following benchmarks
BenchmarkDeepSeek V4.1 FlashLlama-3.3-70B-Instruct
LMArena Instruction Following14751242
LiveBench Instruction Following—82.7%

Long Context DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 45.2 (#46), Llama-3.3-70B-Instruct: 26.4 (#290)

Long Context benchmarks
BenchmarkDeepSeek V4.1 FlashLlama-3.3-70B-Instruct
LMArena Longer Query14761256
Fiction.LiveBench—33.3%

Writing & Preference DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 65.8 (#43), Llama-3.3-70B-Instruct: 47.8 (#203)

Writing & Preference benchmarks
BenchmarkDeepSeek V4.1 FlashLlama-3.3-70B-Instruct
LMArena Text14651274
LMArena Creative Writing14361250
LMArena Multi-Turn14601279
EQ-Bench Creative Writing1540—
LiveBench Language—39.2%

Frequently asked questions

Is DeepSeek V4.1 Flash better than Llama-3.3-70B-Instruct?

DeepSeek V4.1 Flash is the stronger model overall, scoring 50.3 to 30.3 on the Noometry Index. Llama-3.3-70B-Instruct costs 1.7× less per token, which makes it the better buy when DeepSeek V4.1 Flash's lead doesn't matter for your workload.

Which is cheaper, DeepSeek V4.1 Flash or Llama-3.3-70B-Instruct?

Llama-3.3-70B-Instruct is cheaper. It lists at $0.10 per million input tokens and $0.32 per million output tokens; DeepSeek V4.1 Flash lists at $0.15 and $0.60.

Is DeepSeek V4.1 Flash or Llama-3.3-70B-Instruct better for coding?

DeepSeek V4.1 Flash scores higher on coding benchmarks: 52.8 versus 30.6 in the Noometry coding category.

Which has the bigger context window?

DeepSeek V4.1 Flash does, with 1M tokens against 128K.

How many benchmarks do DeepSeek V4.1 Flash and Llama-3.3-70B-Instruct share?

19 benchmarks have published results for both models. DeepSeek V4.1 Flash has 25 scored results on Noometry and Llama-3.3-70B-Instruct has 43.

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