Skip to main content
BenchLM
Advertise

Model comparison

Gemini 3 Flash vs Llama 3.1 405B

Data verified

Head-to-head evidence from 11 shared benchmark results across 5 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

60.49/100
Margin
8.8pts
← winning
51.71/100
0 category wins0 category wins

Public leaderboard positions: Gemini 3 Flash #49 (Supported); Llama 3.1 405B #102 (Estimated). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Gemini 3 Flash and Llama 3.1 405B share 11 comparable benchmark results. 0 of 8 categories are comparable. 8 results are unique to Gemini 3 Flash; 0 to Llama 3.1 405B.

Updated July 20, 2026
Shared results
11
Gemini 3 Flash only
8
Llama 3.1 405B only
0
Comparable categories
0 / 8

Benchmark data for Gemini 3 Flash and Llama 3.1 405B is coming soon on BenchLM.

Confidence note. This is a partial-evidence comparison with 11 shared benchmark results across 5 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.

Why this result

BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.

Gemini 3 Flash is priced at $0.50 input / $3.00 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Llama 3.1 405B. Gemini 3 Flash has the larger context window at 1M, compared with 128K for Llama 3.1 405B.

Category breakdown

Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.

Category scores and score margins for Gemini 3 Flash and Llama 3.1 405B
CategoryGemini 3 FlashΔLlama 3.1 405B
MathGemini 3 Flash27.8MarginNo overlapLlama 3.1 405BNot measured

Operational comparison

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

MetricGemini 3 FlashLlama 3.1 405BComparison
Input / output priceUSD per 1M tokensGemini 3 Flash$0.5 input / $3 outputLlama 3.1 405B$0 input / $0 outputLlama 3.1 405B has the lower combined listed price.
Generation speedtokens per secondGemini 3 Flash159 tok/sLlama 3.1 405B29 tok/sGemini 3 Flash has the higher measured throughput.
First-answer latencyseconds to first tokenGemini 3 Flash1.19 sLlama 3.1 405B2.19 sGemini 3 Flash reaches the first token sooner.
Context windowmaximum listed tokensGemini 3 Flash1MLlama 3.1 405B128KGemini 3 Flash lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkGemini 3 FlashLlama 3.1 405BResult
Claw-EvalSource 49.2%—Not comparable
τ²-bench resultsSource 43.3%19%Gemini 3 Flash leads
Gert LabsSource 56.63%—Not comparable
JobBenchSource 11.4%—Not comparable
Coding
BenchmarkGemini 3 FlashLlama 3.1 405BResult
Vibe Code BenchSource 20.20%—Not comparable
AA-SciCodeSource 49.9%29.9%Gemini 3 Flash leads
Reasoning
BenchmarkGemini 3 FlashLlama 3.1 405BResult
AA-LCRSource 48.0%24.3%Gemini 3 Flash leads
CritPtSource 1.4%0.0%Gemini 3 Flash leads
Knowledge
BenchmarkGemini 3 FlashLlama 3.1 405BResult
Artificial Analysis Intelligence IndexSource 27.4%8.5%Gemini 3 Flash leads
AA-GPQA DiamondSource 81.2%51.5%Gemini 3 Flash leads
AA-HLESource 14.1%4.2%Gemini 3 Flash leads
AA-Omniscience IndexSource -3.6%-17.3%Gemini 3 Flash leads
AA-Omniscience AccuracySource 45.5%22.3%Gemini 3 Flash leads
AA-Omniscience Hallucination RateSource 90.2%51.0%Llama 3.1 405B leads
Math
BenchmarkGemini 3 FlashLlama 3.1 405BResult
FrontierMath v2 (Tiers 1-3)Source 35.640%—Not comparable
FrontierMath v2 (Tier 4)Source 4.167%—Not comparable
Multimodal
BenchmarkGemini 3 FlashLlama 3.1 405BResult
AA-MMMU-ProSource 78.6%—Not comparable
Design Arena WebsiteSource 1228—Not comparable
Inst. Following
BenchmarkGemini 3 FlashLlama 3.1 405BResult
AA-IFBenchSource 55.1%39.0%Gemini 3 Flash leads
Frequently Asked Questions (3)

Can I compare Gemini 3 Flash and Llama 3.1 405B on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.

Why does this comparison show “coming soon”?

BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.

What data is available for Gemini 3 Flash and Llama 3.1 405B today?

Gemini 3 Flash: $0.50 input / $3.00 output per 1M tokens Llama 3.1 405B: $0.00 input / $0.00 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.

Related Comparisons

Explore More

Google Compare Pricing Methodology Find Your Best LLM Overall Rankings
Last updated: July 20, 2026

Choose a model with this week’s evidence

Join 2,000+ readers for ranking moves, pricing changes, and the claims that still need proof.

One email each week. Unsubscribe anytime.