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Every score has a dated snapshot.

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  2. Comparisons
  3. Claude Haiku 4.5 vs Gemini 3 Pro

Pairwise benchmark snapshot · Aug 16, 2026

Claude Haiku 4.5 vs Gemini 3 Pro benchmark

In this head-to-head showdown, Gemini 3 Pro delivers higher overall intelligence and human-preferred responses (Elo 1,552 vs 1,438), while Gemini 3 Pro leads in SWE-bench software engineering benchmarks (72.4%), while Claude Haiku 4.5 is more budget-friendly at $5/1M 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 Gemini 3 Pro if your priority is peak reasoning, complex code generation, and top preference Elo. Choose Claude Haiku 4.5 if you are optimizing for low latency, high throughput, and cost-efficient API deployment.
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Verified Head-to-Head Advantage Breakdown

9 direct benchmark disciplines evaluated across capability, speed, and cost

Claude Haiku 4.5 (3)Gemini 3 Pro (6)
Claude Haiku 4.5
3 of 9 Wins
✓Time to first token✓Output speed✓Input price
Gemini 3 Pro
6 of 9 Wins
✓Preference Elo✓Coding Elo✓LiveBench✓SWE-bench✓GPQA Diamond✓Context window
Anthropic
Leads 3 of 9 metrics
Claude Haiku 4.5

Anthropic cheap/fast Claude SKU. Official Claude Platform list price $1/$5 per 1M tokens (Anthropic Haiku page).

Haiku 4.5Elo 1,438$5/1M out
Google
Leads 6 of 9 metrics
Gemini 3 Pro

Google frontier multimodal model with a multi-million-token context window.

Elo 1,552$5/1M out

Claude 4 Series Lineage & Sibling Variants

5 models

Currently comparing Claude Haiku 4.5 vs Gemini 3 Pro. Alternative family tiers available.

Active: Claude Haiku 4.5
Claude Opus 4.5$75Claude Opus 4.6$75Claude Sonnet 4.5$15Claude Opus 4.8$25

Gemini 3 Pro Thinking Depth & Cost Scaler

Model B

Simulate accuracy gains vs added response time & token cost

Mode: Medium (8k tokens)

Reasoning models “think before answering” by generating internal reasoning tokens. Higher effort improves math, coding, and logic accuracy, but increases response delay and token costs.

Thinking Delay
220 ms
Standard speed
Reasoning Depth
~2,400
Internal tokens
Cost / 1k Calls
$14.13
6.6× standard bill
Accuracy Boost
+4.8% accuracy
STEM & SWE-bench
Top Rival Showdowns for Claude Haiku 4.5
All Matchups
Compare vs:vs GPT-5vs Gemini 3 Flashvs Grok 4.6vs DeepSeek V4 Provs Qwen 3 Max
Preference LeaderGemini 3 Pro Wins

Gemini 3 Pro

Δ 114 Arena Elo pts

Throughput LeaderClaude Haiku 4.5 Wins

Claude Haiku 4.5

175 tok/s

Value per Dollar LeaderClaude Haiku 4.5 Wins

Claude Haiku 4.5

$5 / 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 Western standard models with China's leading frontier rival across 6 skill dimensions. Tap any spoke or dot to inspect.

Tap any node to inspect
Percentile 0–100
Head-to-Head Comparison

Overall Matchup Breakdown

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

Claude Haiku 4.5 (3)vsGemini 3 Pro (6)
Claude Haiku 4.5: 3W (33%)Overall: Gemini 3 ProGemini 3 Pro: 6W (67%)
← Claude Haiku 4.51 tiesGemini 3 Pro →
🏆Gemini 3 Pro(5/5)

Intelligence & Reasoning

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

Benchmark
Claude Haiku 4.5vsGemini 3 Pro
Preference Elo
1,438vs1,552+114
Coding Elo
1,446vs1,548+102
SWE-bench
58.2%vs72.4%+14.2%
LiveBench
62.4%vs70.6%+8.2%
GPQA Diamond
74%vs83.6%+9.6%
Claude Haiku 4.5: 0WGemini 3 Pro: 5W
🏆Claude Haiku 4.5(2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Benchmark
Claude Haiku 4.5vsGemini 3 Pro
Output speed
175 tok/svs92 tok/s+83 tok/s
Time to first token
95 msvs220 ms+125 ms
Claude Haiku 4.5: 2WGemini 3 Pro: 0W
Tied (1-1)

Pricing & Capacity

Cost per million tokens and max context window length

Benchmark
Claude Haiku 4.5vsGemini 3 Pro
Output price
$5/1Mvs$5/1M
Input price
$1/1Mvs$1.25/1M+$0.25/1M
Context window
200kvs2M+1.8M
Claude Haiku 4.5: 1WGemini 3 Pro: 1W

Side-by-Side Benchmark Matrix

Preference Elo+114
Claude Haiku 4.51,438
seed-bootstrap · Aug 16, 2026
Gemini 3 Pro1,552
seed-bootstrap · Aug 1, 2026
Coding Elo+102
Claude Haiku 4.51,446
seed-bootstrap · Aug 16, 2026
Gemini 3 Pro1,548
seed-bootstrap · Aug 1, 2026
LiveBench+8.2%
Claude Haiku 4.562.4%
seed-bootstrap · Aug 16, 2026
Gemini 3 Pro70.6%
seed-bootstrap · Aug 1, 2026
SWE-bench+14.2%
Claude Haiku 4.558.2%
seed-bootstrap · Aug 16, 2026
Gemini 3 Pro72.4%
seed-bootstrap · Aug 1, 2026
GPQA Diamond+9.6%
Claude Haiku 4.574%
seed-bootstrap · Aug 16, 2026
Gemini 3 Pro83.6%
seed-bootstrap · Aug 1, 2026
Time to first token+125 ms
Claude Haiku 4.595 ms
seed-bootstrap · Aug 16, 2026
Gemini 3 Pro220 ms
seed-bootstrap · Aug 1, 2026
Output speed+83 tok/s
Claude Haiku 4.5175 tok/s
seed-bootstrap · Aug 16, 2026
Gemini 3 Pro92 tok/s
seed-bootstrap · Aug 1, 2026
Input price+$0.25/1M
Claude Haiku 4.5$1/1M
seed-bootstrap · Aug 16, 2026
Gemini 3 Pro$1.25/1M
seed-bootstrap · Aug 1, 2026
Output price
Claude Haiku 4.5$5/1M
seed-bootstrap · Aug 16, 2026
Gemini 3 Pro$5/1M
seed-bootstrap · Aug 1, 2026
Context window+1.8M
Claude Haiku 4.5200k
seed-bootstrap · Aug 16, 2026
Gemini 3 Pro2M
seed-bootstrap · Aug 1, 2026
BenchmarkClaude Haiku 4.5Gemini 3 ProAdvantage Delta
Preference Elo
1,438
seed-bootstrap · Aug 16, 2026
1,552
seed-bootstrap · Aug 1, 2026
+114
Coding Elo
1,446
seed-bootstrap · Aug 16, 2026
1,548
seed-bootstrap · Aug 1, 2026
+102
LiveBench
62.4%
seed-bootstrap · Aug 16, 2026
70.6%
seed-bootstrap · Aug 1, 2026
+8.2%
SWE-bench
58.2%
seed-bootstrap · Aug 16, 2026
72.4%
seed-bootstrap · Aug 1, 2026
+14.2%
GPQA Diamond
74%
seed-bootstrap · Aug 16, 2026
83.6%
seed-bootstrap · Aug 1, 2026
+9.6%
Time to first token
95 ms
seed-bootstrap · Aug 16, 2026
220 ms
seed-bootstrap · Aug 1, 2026
+125 ms
Output speed
175 tok/s
seed-bootstrap · Aug 16, 2026
92 tok/s
seed-bootstrap · Aug 1, 2026
+83 tok/s
Input price
$1/1M
seed-bootstrap · Aug 16, 2026
$1.25/1M
seed-bootstrap · Aug 1, 2026
+$0.25/1M
Output price
$5/1M
seed-bootstrap · Aug 16, 2026
$5/1M
seed-bootstrap · Aug 1, 2026
—
Context window
200k
seed-bootstrap · Aug 16, 2026
2M
seed-bootstrap · Aug 1, 2026
+1.8M
Interactive Simulator (USD)

Workload Cost & Savings Calculator

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

Save up to 7% with Claude Haiku 4.5
Monthly Volume50M tokens/mo
Quick Presets:
Token Ratio (In vs Out)70% In / 30% Out
RAG / Search (10% out)Coding / Chat (50% out)
Claude Haiku 4.5$110.00 / mo
In: $35Out: $75
Gemini 3 Pro$118.75 / mo
In: $43.75Out: $75
Estimated Cost Delta

Claude Haiku 4.5 is estimated to save $8.75/month ($105/year).

Based on 50M tokens (30% gen)

Key Selection Recommendations

  • 1
    Gemini 3 Pro:Pick Gemini 3 Pro when repo-level coding accuracy is the constraint.
  • 2
    Claude Haiku 4.5:Pick Claude Haiku 4.5 when you are optimizing output cost.
  • 3
    Claude Haiku 4.5:Pick Claude Haiku 4.5 when time-to-first-token matters more than peak Elo.

Recommended Workload Routing

Repo / coding agentsGemini 3 Pro

Higher SWE-bench (72.4%).

High-volume chatClaude Haiku 4.5

Lower output list price ($5/1M).

Voice / low-latency UIClaude Haiku 4.5

Lower TTFT (95 ms).

Long-document RAGGemini 3 Pro

Larger window (2M).

Screenshots / visionGemini 3 Pro

Both accept images. Defaulting to the higher-Elo side (Gemini 3 Pro).

Target WorkloadRecommended PickEvaluation Rationale
Repo / coding agentsGemini 3 ProHigher SWE-bench (72.4%).
High-volume chatClaude Haiku 4.5Lower output list price ($5/1M).
Voice / low-latency UIClaude Haiku 4.5Lower TTFT (95 ms).
Long-document RAGGemini 3 ProLarger window (2M).
Screenshots / visionGemini 3 ProBoth accept images. Defaulting to the higher-Elo side (Gemini 3 Pro).

Related Editorial Dispatches & Benchmark Notes

View all news
compareAug 16, 2026

Haiku 4.5 vs Llama 4 Scout: cheap Claude versus cheap open Llama

$1/$5 hosted Claude vs a cheap long-context open sibling. The alternative-to-Sonnet pair that is honest.

launchApr 8, 2026

Llama 4 Scout: long-context open sibling of Maverick

Huge window, cheap hosted lists. The Haiku alternative that is actually open-weight.

launchMar 15, 2026

Gemini 3 Pro’s multi-million context is still a 2026 RAG shortlist

March 2026 Google frontier multimodal with a 2M window. 3.6 Pro is newer; 3 Pro stays as the original 3.x Pro row.

launchOct 22, 2025

Claude Haiku 4.5 at $1/$5: the cheap Claude people actually ship

Official Anthropic list $1/$5. This is the SKU behind “cheapest Claude alternative” that is still Claude.

Community Sentiment

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CompareLLM AI Matrix

Verified Head-to-Head Telemetry

LIVE BENCHMARK
VS
Anthropic

Claude Haiku 4.5

Elo 1,438
SWE-bench58.2%
Speed (tok/s)175 tok/s
Input / 1M Tokens$1/1M
Output / 1M Tokens$5/1M
Google

Gemini 3 Pro

Elo 1,552
SWE-bench72.4%
Speed (tok/s)92 tok/s
Input / 1M Tokens$1.25/1M
Output / 1M Tokens$5/1M

Frequently Asked Questions

Which is better overall, Claude Haiku 4.5 or Gemini 3 Pro?
Gemini 3 Pro has the higher preference Elo in our latest snapshot (1,552). “Better” still depends on coding, price, and latency — see the table.
Which is better at coding, Claude Haiku 4.5 or Gemini 3 Pro?
Gemini 3 Pro leads SWE-bench at 72.4% vs 58.2%. SWE-bench is one harness, not your repo.
Which is cheaper to run in production?
Claude Haiku 4.5 output tokens are $5/1M versus $5/1M. Input prices and retry rates still move the real bill.
Which is faster, Claude Haiku 4.5 or Gemini 3 Pro?
Claude Haiku 4.5 has the lower time-to-first-token (95 ms vs 220 ms). Tokens/sec is a separate column if you care about long completions.
Which has the larger context window?
Gemini 3 Pro accepts 2M tokens versus 200k.
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 Haiku 4.5 and Gemini 3 Pro Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Related news

  • compare · Aug 16, 2026

    Haiku 4.5 vs Llama 4 Scout: cheap Claude versus cheap open Llama

  • launch · Apr 8, 2026

    Llama 4 Scout: long-context open sibling of Maverick

  • launch · Mar 15, 2026

    Gemini 3 Pro’s multi-million context is still a 2026 RAG shortlist

  • launch · Oct 22, 2025

    Claude Haiku 4.5 at $1/$5: the cheap Claude people actually ship

Similar Head-to-Head Comparisons

All Claude Haiku 4.5 matchups →|All Gemini 3 Pro matchups →
Claude Haiku 4.5 vs Claude 3.5 Haiku (previous haiku)Gemini 3 Pro vs Gemini 2.5 Pro (previous gemini-pro)Gemini 3 Pro vs Gemini 3.6 Pro (next gemini-pro)Gemini 2.0 Flash Thinking vs Claude Haiku 4.5Gemini 3 Flash vs Gemini 3 ProGemini 3.6 Flash vs Gemini 3 Pro