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Claude Haiku 5.5 vs GPT-4.1 Nano (batch)

Claude Haiku 5.5

Anthropic

70#115
vs
Signal-by-Signal Comparison
SignalClaude Haiku 5.5DeltaGPT-4.1 Nano (batch)
Capabilities
100
+17
83
Pricing
100
0
100
Context window size
95
0
96
Recency
100
+71
29
Output Capacity
82
+9
72
Benchmarks
0
-70
70
Overall Result
3 wins
of 6
3 wins
It's a tie - both models win 3 signals each

Score History

Score History (13 data points)
Claude Haiku 5.5GPT-4.1 Nano (batch)
Claude Haiku 5.5

69.9

current score

Leader

Claude Haiku 5.5

right now

GPT-4.1 Nano (batch)

58.9

current score

LMMarketCap.com
Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

Claude Haiku 5.5

Anthropic

Per request$0.000350
Daily$1.17
Monthly$35.00
Annual$420.00

GPT-4.1 Nano (batch)

OpenAI

Best Value
Per request$0.000150
Daily$0.50
Monthly$15.00
Annual$180.00

GPT-4.1 Nano (batch) saves you $20.00/month

That's $240.00/year compared to Claude Haiku 5.5 at your current usage level of 100K calls/month.

57% cheaper
Choose GPT-4.1 Nano (batch) for cost optimization

Claude Haiku 5.5 pricing:
Input:$0.10/M tokens
Output:$0.50/M tokens
GPT-4.1 Nano (batch) pricing:
Input:$0.05/M tokens
Output:$0.20/M tokens
Winner
Claude Haiku 5.5

Anthropic

70

Composite Score

GPT-4.1 Nano (batch)

OpenAI

59

Composite Score

Signal-by-Signal Comparison
MetricClaude Haiku 5.5GPT-4.1 Nano (batch)Winner
Overall Score
70
59
Claude Haiku 5.5
Rank#115#162
Claude Haiku 5.5
Quality Rank#115#162
Claude Haiku 5.5
Adoption Rank#115#162
Claude Haiku 5.5
Parameters------
Context Window1000K1048K
GPT-4.1 Nano (batch)
Pricing$0.10/$0.50/M$0.05/$0.20/M--
Signal Scores
Capabilities
100
83
Claude Haiku 5.5
Pricing
100
100
GPT-4.1 Nano (batch)
Context window size
95
96
GPT-4.1 Nano (batch)
Recency
100
29
Claude Haiku 5.5
Output Capacity
82
72
Claude Haiku 5.5
Benchmarks--
70
GPT-4.1 Nano (batch)
Benchmark Head-to-Head(12 benchmarks)
Claude Haiku: 1GPT-4.1 Nano: 0
Claude Haiku
GPT-4.1 Nano
Normalized 0-100%
MMLU
-89.2%
MMLU-Pro
-81.8%
GPQA Diamond
-56%
MATH-500
-78.5%
HumanEval
-91.5%
SWE-bench Verified
-54.6%
IFEval
-88.2%
BBH
-84%
Arena Elo
-1300
LiveBench
-64.5%
HLE
30.12%5.4%
BigCodeBench
-31.8%
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

Claude Haiku 5.5Competitive

Scores 70/100 (rank #115), placing it in the top 61% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
GPT-4.1 Nano (batch)Competitive

Scores 59/100 (rank #162), placing it in the top 44% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

Claude Haiku 5.5 has a 11-point advantage, which typically translates to noticeably better performance on complex reasoning, code generation, and multi-step tasks.

When to Use Each Model

Choose Claude Haiku 5.5 when you need:

  • Step-by-step reasoning and chain-of-thought problem solving

Choose GPT-4.1 Nano (batch) when you need:

  • High-volume production workloads where API costs must be minimized
Cost-Performance Analysis
Claude Haiku 5.5
Input cost$0.10/M tokens
Output cost$0.50/M tokens
Cost per quality point$0.009
Est. monthly (1M tokens/day)$9.00
GPT-4.1 Nano (batch)Best Value
Input cost$0.05/M tokens
Output cost$0.20/M tokens
Cost per quality point$0.004
Est. monthly (1M tokens/day)$3.75

GPT-4.1 Nano (batch) offers 58% better value per quality point. At 1M tokens/day, you'd spend $3.75/month with GPT-4.1 Nano (batch) vs $9.00/month with Claude Haiku 5.5 - a $5.25 monthly difference.

Latency & Speed
Claude Haiku 5.5Faster
Speed score0/100
GPT-4.1 Nano (batch)
Speed score0/100

Both models have comparable response speeds. For most applications, the latency difference is negligible.

When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

Claude Haiku 5.5

Customer support chatbot

Suitable for user-facing chat with competitive response times. GPT-4.1 Nano (batch) also offers lower per-token costs for high-volume support

Claude Haiku 5.5

Long document analysis

Larger context window (1048K tokens) can process longer documents, contracts, and research papers in a single pass

GPT-4.1 Nano (batch)

Batch data extraction

Lower output pricing ($0.20/M) reduces costs when processing thousands of records daily

GPT-4.1 Nano (batch)

Creative writing & content

Higher overall composite score (70/100) correlates with better nuance, coherence, and style in long-form content

Claude Haiku 5.5

Image understanding & OCR

Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly

Claude Haiku 5.5
Which Should You Choose?
Our recommendation:
Claude Haiku 5.5

Claude Haiku 5.5 clearly outperforms GPT-4.1 Nano (batch) with a significant 11.000000000000007-point lead. For most general use cases, Claude Haiku 5.5 is the stronger choice. However, GPT-4.1 Nano (batch) may still excel in niche scenarios.

Claude Haiku 5.5
Recommended

by Anthropic

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale

by OpenAI

  • Choose for Cost - 58% lower pricing; better value at scale
Capability Comparison
CapabilityClaude Haiku 5.5GPT-4.1 Nano (batch)
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoningdiffers
Web Search
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

Claude Haiku 5.5

Anthropic

$0.7800
estimated monthly cost

GPT-4.1 Nano (batch)

OpenAI

Best Value
$0.3300
estimated monthly cost

GPT-4.1 Nano (batch) saves you $0.4500/month

That's 58% cheaper than Claude Haiku 5.5 at 1,000 tokens/request and 100 requests/day.

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
ParameterClaude Haiku 5.5GPT-4.1 Nano (batch)
Context Window1M1.0M
Max Output Tokens128,00032,768
Open SourceNoNo
CreatedOct 7, 2026Apr 14, 2025
Last updated: 2m ago

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