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Model comparison

DeepSeek V4 Flash Base vs Gemini 2.5 Pro

Data verified

Head-to-head evidence from 0 shared benchmark results across 0 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

No sourced benchmark result is currently shared by both models. This page therefore compares only the available metadata, pricing, and runtime rows; it does not name a quality winner.
N/A
No comparison
57.25/100
1 category wins0 category wins

Public leaderboard positions: DeepSeek V4 Flash Base unranked (Not scored); Gemini 2.5 Pro #70 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. DeepSeek V4 Flash Base and Gemini 2.5 Pro share 0 comparable benchmark results. 1 of 8 categories are comparable. 24 results are unique to DeepSeek V4 Flash Base; 24 to Gemini 2.5 Pro.

Updated July 23, 2026
Shared results
0
DeepSeek V4 Flash Base only
24
Gemini 2.5 Pro only
24
Comparable categories
1 / 8

Treat this as a split decision. DeepSeek V4 Flash Base makes more sense if knowledge is the priority; Gemini 2.5 Pro is the better fit if its strengths line up with your actual workload.

Confidence note. This is a partial-evidence comparison with 0 shared benchmark results across 0 evidence categories; 1 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.

Why this result

DeepSeek V4 Flash Base and Gemini 2.5 Pro finish on the same BenchAlign overall score, so this is less about a single winner and more about where the edge shows up. The BenchAlign headline says tie; the benchmark table is where the real choice happens.

Operational comparison

Runtime and commercial metrics are compared only when both models have a complete sourced value.

MetricDeepSeek V4 Flash BaseGemini 2.5 ProComparison
Input / output priceUSD per 1M tokensDeepSeek V4 Flash BaseNot availableGemini 2.5 Pro$1.25 input / $10 outputA complete price comparison is not available.
Generation speedtokens per secondDeepSeek V4 Flash BaseNot availableGemini 2.5 Pro117 tok/sA complete speed comparison is not available.
First-answer latencyseconds to first tokenDeepSeek V4 Flash BaseNot availableGemini 2.5 Pro21.19 sA complete latency comparison is not available.
Context windowmaximum listed tokensDeepSeek V4 Flash Base1MGemini 2.5 Pro1MListed context windows are equal.

Benchmark Deep Dive

Agentic
BenchmarkDeepSeek V4 Flash BaseGemini 2.5 ProResult
AA Agentic IndexSource —7.1%Not comparable
τ²-bench resultsSource —54.1%Not comparable
Gert LabsSource —42.01%Not comparable
GDPval-AASource —8.3%Not comparable
GDPval-AASource —665Not comparable
Coding
BenchmarkDeepSeek V4 Flash BaseGemini 2.5 ProResult
BigCodeBenchSource 56.8%—Not comparable
HumanEvalSource 69.5%—Not comparable
SWE-bench VerifiedSource —63.8%Not comparable
Vibe Code BenchSource —0.40%Not comparable
AA Coding IndexSource —33.3%Not comparable
AA-SciCodeSource —42.8%Not comparable
Reasoning
BenchmarkDeepSeek V4 Flash BaseGemini 2.5 ProResult
BBHSource 86.9%—Not comparable
DROPSource 88.6%—Not comparable
HellaSwagSource 85.7%—Not comparable
WinoGrandeSource 79.5%—Not comparable
CLUEWSCSource 82.2%—Not comparable
LongBench v2Source 44.7%—Not comparable
AA-LCRSource —66.0%Not comparable
CritPtSource —2.6%Not comparable
KnowledgeDeepSeek V4 Flash Base wins
BenchmarkDeepSeek V4 Flash BaseGemini 2.5 ProResult
AGIEvalSource 82.6%—Not comparable
MMLUSource 88.7%—Not comparable
MMLU-ReduxSource 89.4%—Not comparable
MMLU-ProSource 68.3%—Not comparable
MMMLUSource 88.8%—Not comparable
C-EvalSource 92.1%—Not comparable
CMMLUSource 90.4%—Not comparable
MultiLoKoSource 42.2%—Not comparable
SimpleQASource 30.1%—Not comparable
SuperGPQASource 46.5%—Not comparable
FACTS ParametricSource 33.9%—Not comparable
TriviaQASource 82.8%—Not comparable
GPQASource —83%Not comparable
HLESource —18.8%Not comparable
Artificial Analysis Intelligence IndexSource —25.8%Not comparable
AA-GPQA DiamondSource —84.4%Not comparable
AA-HLESource —21.1%Not comparable
AA-Omniscience IndexSource —-14.3%Not comparable
AA-Omniscience AccuracySource —39.0%Not comparable
AA-Omniscience Hallucination RateSource —87.4%Not comparable
Math
BenchmarkDeepSeek V4 Flash BaseGemini 2.5 ProResult
GSM8KSource 90.8%—Not comparable
MATHSource 57.4%—Not comparable
CMathSource 93.6%—Not comparable
FrontierMath v2 (Tiers 1-3)Source —14.138%Not comparable
FrontierMath v2 (Tier 4)Source —4.167%Not comparable
Multilingual
BenchmarkDeepSeek V4 Flash BaseGemini 2.5 ProResult
MGSMSource 85.7%—Not comparable
Multimodal
BenchmarkDeepSeek V4 Flash BaseGemini 2.5 ProResult
AA-MMMU-ProSource —74.9%Not comparable
Design Arena WebsiteSource —1197Not comparable
Inst. Following
BenchmarkDeepSeek V4 Flash BaseGemini 2.5 ProResult
AA-IFBenchSource —48.7%Not comparable
Frequently Asked Questions (2)

Which is better, DeepSeek V4 Flash Base or Gemini 2.5 Pro?

DeepSeek V4 Flash Base and Gemini 2.5 Pro are tied on the BenchAlign overall score, so the right pick depends on which category matters most for your use case.

Which is better for knowledge tasks, DeepSeek V4 Flash Base or Gemini 2.5 Pro?

DeepSeek V4 Flash Base has the edge for knowledge tasks in this comparison, averaging 56.4 versus 27.4. Gemini 2.5 Pro stays close enough that the answer can still flip depending on your workload.

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Last updated: July 23, 2026

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