Why is this comparison indexable?

It has 6 verifiable comparison points, and both models have pricing or benchmark data.

Are missing metrics invented?

No. Metrics without LMSpeed data are omitted from this report.

Back to models

Data points: 176

Key Takeaways

The readout for DeepSeek V4 Flash and Kimi K2.6, before the detailed comparison sheet.

Decision read

DeepSeek V4 Flash

DeepSeek V4 Flash currently has the stronger profile, with verified wins split 6 to 0.

Evidence depth

176 data points

Includes 40 benchmark rows, 6 audit samples, and 9 provider examples.

Selection signal

Start with DeepSeek V4 Flash

The charts below split 55 high-signal samples across speed, scores, and audit health.

Change comparison

Switch either side of this report to compare another model with the same LMSpeed data pipeline.

Model AModel B

Select a different model to open a new comparison URL.

Model compare DeepSeek V4 Flash vs Kimi K2.6 deepseek-v4-flash-vs-kimi-k2-6	Model A DeepSeek V4 Flash	Model B Kimi K2.6
Overall leader	Leading	Contender
Verified metric wins	6 wins	0 wins
Where it leads	Cheapest input price, Average speed, First-token latency, Free providers, Provider coverage, Recent tests

Model compare

DeepSeek V4 Flash vs Kimi K2.6

deepseek-v4-flash-vs-kimi-k2-6

Model A

DeepSeek V4 Flash

Model B

Kimi K2.6

Overall leader

Leading

Contender

Verified metric wins

6 wins

0 wins

Where it leads

Cheapest input price, Average speed, First-token latency, Free providers, Provider coverage, Recent tests

Benchmark score comparison

Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.

Category performance

Compare benchmark category scores on a 0-100 scale. Select a category to inspect the gap.

Model A coverage: 4 / 8
Model B coverage: 5 / 8
Shared: 4 shared categories

DeepSeek V4 FlashKimi K2.6

Avg. score

DeepSeek V4 Flash

46.3

Avg. score

Kimi K2.6

56.2

Selected category

Math

Kimi K2.6 leads by 22.9

Professional benchmark details

Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.

Group

Aggregatereported

BenchLM overall score

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

72.0

Rank #30/127 · confidence 2 · eval date 2026-04-24

+2.0

Kimi K2.6

winner

74.0

Rank #26/127 · confidence 3 · eval date 2026-04-20

Pricingverified

Output price

SourceDeepSeek V4 Flash (Reasoning, High Effort)

DeepSeek V4 Flash

winner

$0.280/M

Rank #6/167 · confidence 4

+$3.72/M

Kimi K2.6

$4.00/M

Rank #98/167 · confidence 4

Pricingverified

Blended price

SourceDeepSeek V4 Flash (Reasoning, High Effort)

DeepSeek V4 Flash

winner

$0.175/M

Rank #12/167 · confidence 4

+$1.54/M

Kimi K2.6

$1.71/M

Rank #102/167 · confidence 4

Pricingverified

Input price

SourceDeepSeek V4 Flash (Reasoning, High Effort)

DeepSeek V4 Flash

winner

$0.140/M

Rank #19/167 · confidence 4

+$0.810/M

Kimi K2.6

$0.950/M

Rank #101/167 · confidence 4

Reasoningverified

GPQA

SourceDeepSeek V4 Flash (Reasoning, High Effort)

DeepSeek V4 Flash

86.7%

Rank #34/187 · confidence 4

+4.4%

Kimi K2.6

winner

91.1%

Rank #13/187 · confidence 4

Reasoningreported

AA-LCR

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

63.0

Rank #50/88 · confidence 2 · eval date 2026-04-24

+6.7

Kimi K2.6

winner

69.7

Rank #18/88 · confidence 3 · eval date 2026-04-20

Reasoningverified

HLE

SourceDeepSeek V4 Flash (Reasoning, High Effort)

DeepSeek V4 Flash

27.8%

Rank #34/186 · confidence 4

+8.1%

Kimi K2.6

winner

35.9%

Rank #19/186 · confidence 4

Reasoningreported

CritPt

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

7.1

Rank #28/72 · confidence 2 · eval date 2026-04-24

+0.9

Kimi K2.6

winner

8.0

Rank #26/72 · confidence 3 · eval date 2026-04-20

Codingreported

LiveCodeBench

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

winner

91.6%

Rank #2/119 · confidence 2 · eval date 2026-04-24

+2.0%

Kimi K2.6

89.6%

Rank #5/119 · confidence 3 · eval date 2026-04-20

Codingreported

BenchLM Coding score

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

80.2

Rank #18/100 · confidence 2 · eval date 2026-04-24

+7.9

Kimi K2.6

winner

88.1

Rank #4/100 · confidence 3 · eval date 2026-04-20

Codingreported

SWE Multilingual

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

73.3

Rank #11/17 · confidence 2 · eval date 2026-04-24

+3.4

Kimi K2.6

winner

76.7

Rank #6/17 · confidence 3 · eval date 2026-04-20

Codingreported

AA-SciCode

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

44.9

Rank #38/95 · confidence 2 · eval date 2026-04-24

+8.6

Kimi K2.6

winner

53.5

Rank #11/95 · confidence 3 · eval date 2026-04-20

Codingreported

SWE-bench Verified

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

79.0

Rank #14/43 · confidence 2 · eval date 2026-04-24

+1.2

Kimi K2.6

winner

80.2

Rank #11/43 · confidence 3 · eval date 2026-04-20

Codingreported

SWE-bench Pro

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

52.6

Rank #31/37 · confidence 2 · eval date 2026-04-24

+6.0

Kimi K2.6

winner

58.6

Rank #12/37 · confidence 3 · eval date 2026-04-20

Codingreported

AA Coding Index

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

56.2

Rank #19/54 · confidence 2 · eval date 2026-04-24

+5.6

Kimi K2.6

winner

61.8

Rank #14/54 · confidence 3 · eval date 2026-04-20

Codingreported

Terminal-Bench 2.0

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

56.9

Rank #22/26 · confidence 2 · eval date 2026-04-24

+9.8

Kimi K2.6

winner

66.7

Rank #16/26 · confidence 3 · eval date 2026-04-20

Codingreported

Terminal-Bench Hard

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

35.6

Rank #37/86 · confidence 2 · eval date 2026-04-24

+8.3

Kimi K2.6

winner

43.9

Rank #20/86 · confidence 3 · eval date 2026-04-20

Codingverified

SciCode

SourceDeepSeek V4 Flash (Reasoning, High Effort)

DeepSeek V4 Flash

winner

42.0%

Rank #50/184 · confidence 4

+2.5%

Kimi K2.6

39.5%

Rank #76/184 · confidence 4

Mathreported

HMMT Feb 2026

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

winner

94.8

Rank #3/14 · confidence 2 · eval date 2026-04-24

+2.1

Kimi K2.6

92.7

Rank #5/14 · confidence 3 · eval date 2026-04-20

Mathreported

BenchLM Math score

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

winner

81.4

Rank #7/59 · confidence 2 · eval date 2026-04-24

+9.6

Kimi K2.6

71.8

Rank #14/59 · confidence 3 · eval date 2026-04-20

Knowledgereported

AA-Omniscience Hallucination Rate

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

winner

95.8

Rank #1/89 · confidence 2 · eval date 2026-04-24

+56.5

Kimi K2.6

39.3

Rank #73/89 · confidence 3 · eval date 2026-04-20

Knowledgereported

GPQA-D

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

88.1

Rank #17/23 · confidence 2 · eval date 2026-04-24

+2.4

Kimi K2.6

winner

90.5

Rank #12/23 · confidence 3 · eval date 2026-04-20

Knowledgereported

AA-GPQA Diamond

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

89.4

Rank #24/95 · confidence 2 · eval date 2026-04-24

+1.7

Kimi K2.6

winner

91.1

Rank #13/95 · confidence 3 · eval date 2026-04-20

Knowledgereported

Artificial Analysis Intelligence Index

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

40.3

Rank #23/98 · confidence 2 · eval date 2026-04-24

+3.9

Kimi K2.6

winner

44.2

Rank #17/98 · confidence 3 · eval date 2026-04-20

Knowledgereported

AA-HLE

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

32.1

Rank #26/95 · confidence 2 · eval date 2026-04-24

+3.8

Kimi K2.6

winner

35.9

Rank #18/95 · confidence 3 · eval date 2026-04-20

Knowledgereported

AA-Omniscience Accuracy

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

winner

37.2

Rank #32/89 · confidence 2 · eval date 2026-04-24

+4.4

Kimi K2.6

32.8

Rank #37/89 · confidence 3 · eval date 2026-04-20

Knowledgereported

BenchLM Knowledge score

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

winner

65.4

Rank #41/92 · confidence 2 · eval date 2026-04-24

+2.0

Kimi K2.6

63.4

Rank #46/92 · confidence 3 · eval date 2026-04-20

Multimodalreported

Design Arena Website

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

1251.0

Rank #29/61 · confidence 2 · eval date 2026-04-24

+67.0

Kimi K2.6

winner

1318.0

Rank #6/61 · confidence 3 · eval date 2026-04-20

Instruction followingreported

AA-IFBench

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

winner

79.2

Rank #5/87 · confidence 2 · eval date 2026-04-24

+3.2

Kimi K2.6

76.0

Rank #15/87 · confidence 3 · eval date 2026-04-20

Agentsreported

Toolathlon

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

47.8

Rank #12/21 · confidence 2 · eval date 2026-04-24

+2.2

Kimi K2.6

winner

50.0

Rank #9/21 · confidence 3 · eval date 2026-04-20

Agentsreported

Claw-Eval

SourceDeepSeek V4 Flash

DeepSeek V4 Flash

57.8

Rank #17/28 · confidence 2 · eval date 2026-04-24

+4.5

Kimi K2.6

winner

62.3

Rank #10/28 · confidence 3 · eval date 2026-04-20

Agentsreported

Tau2-Telecom

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

95.0

Rank #18/85 · confidence 2 · eval date 2026-04-24

+0.9

Kimi K2.6

winner

95.9

Rank #10/85 · confidence 3 · eval date 2026-04-20

Agentsreported

BrowseComp

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

73.2

Rank #17/25 · confidence 2 · eval date 2026-04-24

+10.0

Kimi K2.6

winner

83.2

Rank #13/25 · confidence 3 · eval date 2026-04-20

Agentsreported

MCP Atlas

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

winner

69.0

Rank #13/22 · confidence 2 · eval date 2026-04-24

+13.1

Kimi K2.6

55.9

Rank #17/22 · confidence 3 · eval date 2026-04-20

Agentsreported

AA Agentic Index

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

winner

31.1

Rank #14/50 · confidence 2 · eval date 2026-04-24

+0.8

Kimi K2.6

30.3

Rank #16/50 · confidence 3 · eval date 2026-04-20

Agentsreported

Gert Labs

SourceDeepSeek V4 Flash

DeepSeek V4 Flash

54.4

Rank #18/50 · confidence 2 · eval date 2026-04-24

+2.5

Kimi K2.6

winner

56.8

Rank #15/50 · confidence 3 · eval date 2026-04-20

Agentsreported

BenchLM Agentic score

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

65.9

Rank #36/95 · confidence 2 · eval date 2026-04-24

+14.3

Kimi K2.6

winner

80.2

Rank #18/95 · confidence 3 · eval date 2026-04-20

Agentsreported

GDPval-AA

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

34.4

Rank #19/44 · confidence 2 · eval date 2026-04-24

+0.1

Kimi K2.6

winner

34.5

Rank #18/44 · confidence 3 · eval date 2026-04-20

Agentsreported

Terminal-Bench 2.0

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

56.9

Rank #31/45 · confidence 2 · eval date 2026-04-24

+9.8

Kimi K2.6

winner

66.7

Rank #18/45 · confidence 3 · eval date 2026-04-20

Agentsreported

GDPval-AA

SourceDeepSeek V4 Flash (Max)

DeepSeek V4 Flash

1188.0

Rank #20/50 · confidence 2 · eval date 2026-04-24

+2.0

Kimi K2.6

winner

1190.0

Rank #19/50 · confidence 3 · eval date 2026-04-20

API audit comparison

Latest completed audits from shared providers, with four safety and integrity score groups plus report links.

Provider	DeepSeek V4 Flash	Kimi K2.6
Winner: DeepSeek V4 Flash	DeepSeek V4 Flash deepseek-v4-flash Audit score 93 100

Provider examples

Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.

Provider	DeepSeek V4 Flash	Kimi K2.6
65 tests	DeepSeek V4 Flash speed / latency 23 tok/s / 14357ms input / output No data

When to choose each model

This report only uses LMSpeed data for DeepSeek V4 Flash and Kimi K2.6: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.

Guidance	DeepSeek V4 Flash	Kimi K2.6
When to choose each model	DeepSeek V4 Flash DeepSeek V4 Flash is stronger when you prioritize Cheapest input price, Average speed, First-token latency, Free providers, Provider coverage, Recent tests.	Kimi K2.6 Kimi K2.6 does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing.

FAQ

TL;DR: DeepSeek V4 Flash leads across 176 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.

Why is this comparison indexable?: It has 6 verifiable comparison points, and both models have pricing or benchmark data.
Are missing metrics invented?: No. Metrics without LMSpeed data are omitted from this report.

Continue from DeepSeek V4 Flash vs Kimi K2.6 into nearby model comparisons with enough verified LMSpeed data.

Model metadata	DeepSeek V4 Flash exposes 1.0M tokens; notable signals: Text input, Text output, Tool calling, Structured outputs.	Kimi K2.6 exposes 262.1K tokens; notable signals: Text input, Image input, Text output, Tool calling.
Developer	DeepSeek	MoonshotAI
Context window	1.0M tokens	262.1K tokens
Max output	384K tokens	262.1K tokens
Released	Apr 2026	Apr 2026
Modalities	Input Text Output Text	Input TextImage Output Text
Features	Text inputText outputTool callingStructured outputsJSON modeReasoning	Text inputImage inputText outputTool callingStructured outputsJSON modeReasoning
Parameters	No data	No data
Tokenizer	DeepSeek	Other
Knowledge cutoff	No data	No data
OpenRouter ID	deepseek/deepseek-v4-flash	moonshotai/kimi-k2.6
References	No data	No data

Key Takeaways

Change comparison

DeepSeek V4 Flash vs Kimi K2.6

DeepSeek V4 Flash

Kimi K2.6

Benchmark score comparison

Category performance

Professional benchmark details

BenchLM overall score

Output price

Blended price

Input price

GPQA

AA-LCR

HLE

CritPt

LiveCodeBench

BenchLM Coding score

SWE Multilingual

AA-SciCode

SWE-bench Verified

SWE-bench Pro

AA Coding Index

Terminal-Bench 2.0

Terminal-Bench Hard

SciCode

HMMT Feb 2026

BenchLM Math score

AA-Omniscience Hallucination Rate

GPQA-D

AA-GPQA Diamond

Artificial Analysis Intelligence Index

AA-HLE

AA-Omniscience Accuracy

BenchLM Knowledge score

Design Arena Website

AA-IFBench

Toolathlon

Claw-Eval

Tau2-Telecom

BrowseComp

MCP Atlas

AA Agentic Index

Gert Labs

BenchLM Agentic score

GDPval-AA

Terminal-Bench 2.0

GDPval-AA

API audit comparison

Provider examples

When to choose each model

FAQ

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