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  3. Anthropic: Claude Haiku 4.5 (batch) vs Gemini 2.5 Pro

Pairwise benchmark snapshot · Aug 17, 2026noindex (thin pair)

Anthropic: Claude Haiku 4.5 (batch) vs Gemini 2.5 Pro benchmark

In this head-to-head showdown, Anthropic: Claude Haiku 4.5 (batch) is more budget-friendly at $2.5/1M 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: Both Anthropic: Claude Haiku 4.5 (batch) and Gemini 2.5 Pro present distinct architectural strengths. Compare the verified benchmark matrix below to choose the model tailored to your specific application requirements.
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Executive Verdict Summary

Anthropic: Claude Haiku 4.5 (batch) holds empirical advantage (2 of 3 metrics)

Coding / SWESWE-bench
Gemini 2.5 ProTop code solve rate
ReasoningGPQA / Live
Gemini 2.5 ProTop logical accuracy
Best Value$/1M Tok
Anthropic: Claude Haiku 4.5 (batch)Lowest API billing cost
Speed / TokTok/Sec
Gemini 2.5 ProFastest stream rate

Verified Advantage Breakdown

3 benchmarks evaluated across capability, speed, and cost

Anthropic: Claude Haiku 4.5 (batch) (2)Gemini 2.5 Pro (1)
Anthropic: Claude Haiku 4.5 (batch)
2 of 3 Wins
✓Input price✓Output price
Gemini 2.5 Pro
1 of 3 Wins
✓Context window
Anthropic
Leads 2 of 3
Anthropic: Claude Haiku 4.5 (batch)

Auto-discovered from OpenRouter (anthropic/claude-haiku-4.5:batch). Preview until a second source matches.

In: $0.5 · Out: $2.5/1M
Google
Leads 1 of 3
Gemini 2.5 Pro

Previous Google long-context flagship.

Elo 1,350In: $1.25 · Out: $10/1M
Top Rival Showdowns for Anthropic: Claude Haiku 4.5 (batch)
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 LeaderAnthropic: Claude Haiku 4.5 (batch) Wins

Anthropic: Claude Haiku 4.5 (batch)

$2.5 / 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 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.

Anthropic: Claude Haiku 4.5 (batch) (2)vsGemini 2.5 Pro (7)
Anthropic: Claude Haiku 4.5 (batch): 2W (22%)Overall: Gemini 2.5 ProGemini 2.5 Pro: 7W (78%)
← Anthropic: Claude Haiku 4.5 (batch)Gemini 2.5 Pro →
🏆Gemini 2.5 Pro Leads(4/5)

Intelligence & Reasoning

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

Benchmark
Anthropic: Claude Haiku 4.5 (batch)vsGemini 2.5 Pro
Preference Elo
—vs1,350
Coding Elo
—vs—
SWE-bench
—vs63.8%
LiveBench
—vs57.1%
GPQA Diamond
—vs76.4%
Anthropic: Claude Haiku 4.5 (batch): 0WGemini 2.5 Pro: 4W
🏆Gemini 2.5 Pro Leads(2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Benchmark
Anthropic: Claude Haiku 4.5 (batch)vsGemini 2.5 Pro
Output speed
—vs95 tok/s
Time to first token
—vs210 ms
Anthropic: Claude Haiku 4.5 (batch): 0WGemini 2.5 Pro: 2W
🏆Anthropic: Claude Haiku 4.5 (batch) Leads(2/3)

Pricing & Capacity

Cost per million tokens and max context window length

Benchmark
Anthropic: Claude Haiku 4.5 (batch)vsGemini 2.5 Pro
Output price
$2.5/1Mvs$10/1M+$7.5/1M
Input price
$0.5/1Mvs$1.25/1M+$0.75/1M
Context window
200kvs1M+849k
Anthropic: Claude Haiku 4.5 (batch): 2WGemini 2.5 Pro: 1W

Side-by-Side Benchmark Matrix

Anthropic: Claude Haiku 4.5 (batch)Gemini 2.5 Pro
Preference Elo
Anthropic: Claude Haiku 4.5 (batch)—
Gemini 2.5 Pro1,350
LiveBench
Anthropic: Claude Haiku 4.5 (batch)—
Gemini 2.5 Pro57.1%
SWE-bench
Anthropic: Claude Haiku 4.5 (batch)—
Gemini 2.5 Pro63.8%
GPQA Diamond
Anthropic: Claude Haiku 4.5 (batch)—
Gemini 2.5 Pro76.4%
Time to first token
Anthropic: Claude Haiku 4.5 (batch)—
Gemini 2.5 Pro210 ms
Output speed
Anthropic: Claude Haiku 4.5 (batch)—
Gemini 2.5 Pro95 tok/s
Input priceAnthropic: Claude Haiku 4.5 (batch) +$0.75/1M
Anthropic: Claude Haiku 4.5 (batch)$0.5/1M
Gemini 2.5 Pro$1.25/1M
Output priceAnthropic: Claude Haiku 4.5 (batch) +$7.5/1M
Anthropic: Claude Haiku 4.5 (batch)$2.5/1M
Gemini 2.5 Pro$10/1M
Context windowGemini 2.5 Pro +849k
Anthropic: Claude Haiku 4.5 (batch)200k
Gemini 2.5 Pro1M
BenchmarkAnthropic: Claude Haiku 4.5 (batch)Gemini 2.5 ProAdvantage Delta
Preference Elo—
1,350
lmarena · Aug 17, 2026
—
LiveBench—
57.1%
livebench · Aug 17, 2026
—
SWE-bench—
63.8%
swebench · Aug 17, 2026
—
GPQA Diamond—
76.4%
seed-bootstrap · Aug 1, 2026
—
Time to first token—
210 ms
seed-bootstrap · Aug 1, 2026
—
Output speed—
95 tok/s
seed-bootstrap · Aug 1, 2026
—
Input price
$0.5/1M
openrouter · Aug 17, 2026
$1.25/1M
openrouter · Aug 17, 2026
+$0.75/1M
Output price
$2.5/1M
openrouter · Aug 17, 2026
$10/1M
openrouter · Aug 17, 2026
+$7.5/1M
Context window
200k
openrouter · Aug 17, 2026
1M
openrouter · Aug 17, 2026
+849k

Workload Cost & Savings Calculator

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

Save 72% with Anthropic: Claude Haiku 4.5 (batch)
Monthly Volume50M tokens/mo
Quick Presets:
Token Ratio (In vs Out)70% In / 30% Out
RAG / Search (10% out)Coding / Chat (50% out)
Anthropic: Claude Haiku 4.5 (batch)$55.00 / mo
In: $17.5Out: $37.5
Gemini 2.5 Pro$193.75 / mo
In: $43.75Out: $150
Estimated Cost Delta

Anthropic: Claude Haiku 4.5 (batch) is estimated to save $138.75/month ($1,665/year).

Based on 50M tokens (30% gen)

Key Selection Recommendations

  • 1
    Anthropic: Claude Haiku 4.5 (batch):Pick Anthropic: Claude Haiku 4.5 (batch) when you are optimizing output cost.
  • 2
    Gemini 2.5 Pro:Pick Gemini 2.5 Pro for million-token RAG or long-document jobs.

Recommended Workload Routing

Repo / coding agentsinsufficient data

Need SWE-bench on both sides.

High-volume chatAnthropic: Claude Haiku 4.5 (batch)

Lower output list price ($2.5/1M).

Voice / low-latency UIinsufficient data

Need TTFT on both sides.

Long-document RAGGemini 2.5 Pro

Larger window (1M).

Screenshots / visionGemini 2.5 Pro

Gemini 2.5 Pro is the side marked multimodal in the catalog.

Target WorkloadRecommended PickEvaluation Rationale
Repo / coding agentsinsufficient dataNeed SWE-bench on both sides.
High-volume chatAnthropic: Claude Haiku 4.5 (batch)Lower output list price ($2.5/1M).
Voice / low-latency UIinsufficient dataNeed TTFT on both sides.
Long-document RAGGemini 2.5 ProLarger window (1M).
Screenshots / visionGemini 2.5 ProGemini 2.5 Pro is the side marked multimodal in the catalog.

Related Editorial Dispatches & Benchmark Notes

View all news
launchMar 25, 2025

Gemini 2.5 Pro remains the previous Google long-context flagship

2025-03 row. 3.x Pro replaced it. Kept for old “2.5 pro vs gpt-4o” inbound.

Cast Your Matchup Vote

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CompareLLM AI Matrix

Verified Head-to-Head Telemetry

LIVE BENCHMARK
VS
Anthropic

Anthropic: Claude Haiku 4.5 (batch)

Elo n/a
SWE-bench—
Speed (tok/s)200k
Input / 1M Tokens$0.5/1M
Output / 1M Tokens$2.5/1M
Google

Gemini 2.5 Pro

Elo 1,350
SWE-bench63.8%
Speed (tok/s)95 tok/s
Input / 1M Tokens$1.25/1M
Output / 1M Tokens$10/1M

Frequently Asked Questions

Which is better overall, Anthropic: Claude Haiku 4.5 (batch) or Gemini 2.5 Pro?
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, Anthropic: Claude Haiku 4.5 (batch) or Gemini 2.5 Pro?
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?
Anthropic: Claude Haiku 4.5 (batch) output tokens are $2.5/1M versus $10/1M. Input prices and retry rates still move the real bill.
Which is faster, Anthropic: Claude Haiku 4.5 (batch) or Gemini 2.5 Pro?
We do not have TTFT for both models.
Which has the larger context window?
Gemini 2.5 Pro accepts 1M 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. Anthropic: Claude Haiku 4.5 (batch) and Gemini 2.5 Pro Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Related news

  • launch · Mar 25, 2025

    Gemini 2.5 Pro remains the previous Google long-context flagship

Similar Head-to-Head Comparisons

All Anthropic: Claude Haiku 4.5 (batch) matchups →|All Gemini 2.5 Pro matchups →
Gemini 2.5 Pro vs Gemini 1.5 Pro (previous gemini-pro)Gemini 2.5 Pro vs Gemini 3 Pro (next gemini-pro)Claude Opus 4.5 vs Gemini 2.5 ProClaude Opus 4.6 vs Gemini 2.5 ProClaude Sonnet 4.5 vs Gemini 2.5 ProGemini 3 Flash vs Gemini 2.5 Pro