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Precision Benchmarks

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© 2026 CompareLLM. Public benchmark data aggregated from Arena Elo, LiveBench, SWE-bench & OpenRouter.

Every score has a dated snapshot.

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  3. Claude Sonnet 5 vs Google Gemini Flash Latest
Independent ReportPairwise benchmark snapshot · Aug 17, 2026
noindex (thin pair)
Claude Sonnet 5(Anthropic)
vs
Google Gemini Flash Latest(~google)

Claude Sonnet 5 vs Google Gemini Flash Latest benchmark

In this head-to-head showdown, Google Gemini Flash Latest is more budget-friendly at $1.875/1M per 1M output tokens. Review the complete breakdown below to determine which model best fits your performance and budget requirements.

Executive Comparison Verdict

Bottom Line: Choose Claude Sonnet 5 if your priority is peak reasoning, complex code generation, and top preference Elo. Choose Google Gemini Flash Latest if you are optimizing for low latency, high throughput, and cost-efficient API deployment.
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Executive Verdict Summary

Google Gemini Flash Latest holds empirical advantage (3 of 3 metrics)

Coding / SWESWE-bench
Claude Sonnet 5Top code solve rate
ReasoningGPQA / Live
Claude Sonnet 5Top logical accuracy
Best Value$/1M Tok
Google Gemini Flash LatestLowest API billing cost
Speed / TokTok/Sec
Claude Sonnet 5Fastest stream rate

Verified Advantage Breakdown

3 benchmarks evaluated across capability, speed, and cost

Claude Sonnet 5 (0)Google Gemini Flash Latest (3)
Claude Sonnet 5
0 of 3 Wins
Competitive baseline across remaining benchmarks
Google Gemini Flash Latest
3 of 3 Wins
✓Input price✓Output price✓Context window
Anthropic
Claude Sonnet 5

Anthropic workhorse. Official $2/$10 per 1M tokens made permanent on Aug 10 2026.

Sonnet 5Elo 1,556In: $2 · Out: $10/1M
~google
Leads 3 of 3
Google Gemini Flash Latest

Auto-discovered from OpenRouter (~google/gemini-flash-latest). Preview until a second source matches.

In: $0.375 · Out: $1.875/1M

Claude 5 Series Lineage & Sibling Variants

3 models

Currently comparing Claude Sonnet 5 vs Google Gemini Flash Latest. Alternative family tiers available.

Active: Claude Sonnet 5
Claude Opus 5$50Claude Fable 5$50
Top Rival Showdowns for Claude Sonnet 5
All Matchups
Compare vs:vs GPT-5vs Gemini 3 Provs Grok 4.6vs DeepSeek V4 Provs Qwen 3 Max
Preference Leader

No shared data

Single model data

Throughput Leader

No shared data

No latency data

Value per Dollar LeaderGoogle Gemini Flash Latest Wins

Google Gemini Flash Latest

$1.875 / 1M output

Capability Percentiles

Relative percentile scores computed across all active models in the benchmark catalog.

Multi-Dimensional Capability Radar

Leaders Matchup Capability Radar

Comparing top standard models across 6 key capability dimensions. Tap any spoke or dot to inspect.

Tap any node to inspect
0–100 %ile

Overall Matchup Breakdown

Category wins across reasoning intelligence, generation speed, and token cost.

Claude Sonnet 5 (7)vsGoogle Gemini Flash Latest (3)
Claude Sonnet 5: 7W (70%)Overall: Claude Sonnet 5Google Gemini Flash Latest: 3W (30%)
← Claude Sonnet 5Google Gemini Flash Latest →
🏆Claude Sonnet 5 Leads(5/5)

Intelligence & Reasoning

Preference Elo, Coding proficiency, SWE-bench & LiveBench accuracy

Benchmark
Claude Sonnet 5vsGoogle Gemini Flash Latest
Preference Elo
1,556vs—
Coding Elo
1,562vs—
SWE-bench
73.8%vs—
LiveBench
70.4%vs—
GPQA Diamond
82.8%vs—
Claude Sonnet 5: 5WGoogle Gemini Flash Latest: 0W
🏆Claude Sonnet 5 Leads(2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Benchmark
Claude Sonnet 5vsGoogle Gemini Flash Latest
Output speed
118 tok/svs—
Time to first token
175 msvs—
Claude Sonnet 5: 2WGoogle Gemini Flash Latest: 0W
🏆Google Gemini Flash Latest Leads(3/3)

Pricing & Capacity

Cost per million tokens and max context window length

Benchmark
Claude Sonnet 5vsGoogle Gemini Flash Latest
Output price
$10/1Mvs$1.875/1M+$8.125/1M
Input price
$2/1Mvs$0.375/1M+$1.625/1M
Context window
1Mvs1M+49k
Claude Sonnet 5: 0WGoogle Gemini Flash Latest: 3W

Side-by-Side Benchmark Matrix

Claude Sonnet 5Google Gemini Flash Latest
Preference Elo
Claude Sonnet 51,556
Google Gemini Flash Latest—
Coding Elo
Claude Sonnet 51,562
Google Gemini Flash Latest—
LiveBench
Claude Sonnet 570.4%
Google Gemini Flash Latest—
SWE-bench
Claude Sonnet 573.8%
Google Gemini Flash Latest—
GPQA Diamond
Claude Sonnet 582.8%
Google Gemini Flash Latest—
Time to first token
Claude Sonnet 5175 ms
Google Gemini Flash Latest—
Output speed
Claude Sonnet 5118 tok/s
Google Gemini Flash Latest—
Input priceGoogle Gemini Flash Latest +$1.625/1M
Claude Sonnet 5$2/1M
Google Gemini Flash Latest$0.375/1M
Output priceGoogle Gemini Flash Latest +$8.125/1M
Claude Sonnet 5$10/1M
Google Gemini Flash Latest$1.875/1M
Context windowGoogle Gemini Flash Latest +49k
Claude Sonnet 51M
Google Gemini Flash Latest1M
BenchmarkClaude Sonnet 5Google Gemini Flash LatestAdvantage Delta
Preference Elo
1,556
lmarena · Aug 16, 2026
——
Coding Elo
1,562
lmarena · Aug 16, 2026
——
LiveBench
70.4%
livebench · Aug 16, 2026
——
SWE-bench
73.8%
swebench · Aug 16, 2026
——
GPQA Diamond
82.8%
seed-bootstrap · Aug 16, 2026
——
Time to first token
175 ms
seed-bootstrap · Aug 16, 2026
——
Output speed
118 tok/s
seed-bootstrap · Aug 16, 2026
——
Input price
$2/1M
openrouter · Aug 17, 2026
$0.375/1M
openrouter · Aug 17, 2026
+$1.625/1M
Output price
$10/1M
openrouter · Aug 17, 2026
$1.875/1M
openrouter · Aug 17, 2026
+$8.125/1M
Context window
1M
openrouter · Aug 17, 2026
1M
openrouter · Aug 17, 2026
+49k

Workload Cost & Savings Calculator

Simulate monthly production API costs in USD (US Dollar).

Save 81% with Google Gemini Flash Latest
Monthly Volume50M tokens/mo
Quick Presets:
Token Ratio (In vs Out)70% In / 30% Out
RAG / Search (10% out)Coding / Chat (50% out)
Claude Sonnet 5$220.00 / mo
In: $70Out: $150
Google Gemini Flash Latest$41.25 / mo
In: $13.13Out: $28.13
Estimated Cost Delta

Google Gemini Flash Latest is estimated to save $178.75/month ($2,145/year).

Based on 50M tokens (30% gen)

Key Selection Recommendations

  • 1
    Google Gemini Flash Latest:Pick Google Gemini Flash Latest when you are optimizing output cost.
  • 2
    Google Gemini Flash Latest:Pick Google Gemini Flash Latest for million-token RAG or long-document jobs.

Recommended Workload Routing

Repo / coding agentsinsufficient data

Need SWE-bench on both sides.

High-volume chatGoogle Gemini Flash Latest

Lower output list price ($1.875/1M).

Voice / low-latency UIinsufficient data

Need TTFT on both sides.

Long-document RAGGoogle Gemini Flash Latest

Larger window (1M).

Screenshots / visionClaude Sonnet 5

Claude Sonnet 5 is the side marked multimodal in the catalog.

Target WorkloadRecommended PickEvaluation Rationale
Repo / coding agentsinsufficient dataNeed SWE-bench on both sides.
High-volume chatGoogle Gemini Flash LatestLower output list price ($1.875/1M).
Voice / low-latency UIinsufficient dataNeed TTFT on both sides.
Long-document RAGGoogle Gemini Flash LatestLarger window (1M).
Screenshots / visionClaude Sonnet 5Claude Sonnet 5 is the side marked multimodal in the catalog.

Related Editorial Dispatches & Benchmark Notes

View all news
compareAug 10, 2026

Sonnet vs Opus in 2026: same family, different invoice

Usually Sonnet 5 vs Opus 5. Coding delta versus output $/1M. The workhorse question.

priceAug 10, 2026

Claude Sonnet 5 at $2/$10: the 2026 Anthropic workhorse

Aug 10 2026 made the $2/$10 list permanent. Sonnet is the default Claude unless the repo is actually on fire.

launchFeb 18, 2026

Claude Sonnet 4.5 is the previous workhorse — still a valid vs baseline

Most of Opus 4.5 coding at a mid-tier price. Sonnet 5 replaced it as the buy; 4.5 remains a compare baseline.

Cast Your Matchup Vote

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CompareLLM AI Matrix

Verified Head-to-Head Telemetry

LIVE BENCHMARK
VS
Anthropic

Claude Sonnet 5

Elo 1,556
SWE-bench73.8%
Speed (tok/s)118 tok/s
Input / 1M Tokens$2/1M
Output / 1M Tokens$10/1M
~google

Google Gemini Flash Latest

Elo n/a
SWE-bench—
Speed (tok/s)1M
Input / 1M Tokens$0.375/1M
Output / 1M Tokens$1.875/1M

Frequently Asked Questions

Which is better overall, Claude Sonnet 5 or Google Gemini Flash Latest?
We do not have preference Elo for both models, so we do not declare an overall winner. Compare the metrics that exist.
Which is better at coding, Claude Sonnet 5 or Google Gemini Flash Latest?
SWE-bench is missing for at least one model, so we do not rank coding from a single number.
Which is cheaper to run in production?
Google Gemini Flash Latest output tokens are $1.875/1M versus $10/1M. Input prices and retry rates still move the real bill.
Which is faster, Claude Sonnet 5 or Google Gemini Flash Latest?
We do not have TTFT for both models.
Which has the larger context window?
Google Gemini Flash Latest accepts 1M tokens versus 1M.
Can I self-host either model?
Neither model is marked open-weights here. You are comparing hosted APIs.
Are these scores from CompareLLM’s own evals?
No. V1 aggregates public leaderboards (and optional first-party latency pings). Each cell names its source and date. Read /methodology.
What does preference Elo mean on this page?
Preference Elo is a crowd vote from LMArena / Arena. People see two hidden answers and pick the one they like more. The model that wins more often gets a higher Elo. That means people preferred it — not that it passed a school test. It is not SWE-bench, not accuracy, and not a number we invent. Claude Sonnet 5 and Google Gemini Flash Latest Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Related news

  • compare · Aug 10, 2026

    Sonnet vs Opus in 2026: same family, different invoice

  • price · Aug 10, 2026

    Claude Sonnet 5 at $2/$10: the 2026 Anthropic workhorse

  • launch · Feb 18, 2026

    Claude Sonnet 4.5 is the previous workhorse — still a valid vs baseline

Similar Head-to-Head Comparisons

All Claude Sonnet 5 matchups →|All Google Gemini Flash Latest matchups →
Claude Sonnet 5 vs Claude Sonnet 4.5 (previous sonnet)Claude Opus 4.5 vs Claude Sonnet 5Claude Opus 4.6 vs Claude Sonnet 5Claude Opus 4.8 vs Claude Sonnet 5Claude Fable 5 vs Claude Sonnet 5Claude Opus 5 vs Claude Sonnet 5