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Claude Sonnet 5 (batch) vs GPT-5.5 (batch)

vs
GPT-5.5 (batch)

OpenAI

93#13
Signal-by-Signal Comparison
SignalClaude Sonnet 5 (batch)DeltaGPT-5.5 (batch)
Capabilities
100
--
100
Pricing
95
+10
85
Context window size
95
0
96
Recency
100
--
100
Output Capacity
85
--
85
Benchmarks
0
-93
93
Overall Result
1 wins
of 6
2 wins
GPT-5.5 (batch) wins 2 of 6 signals

Score History Unavailable

Not enough historical data to show a comparison chart. Score history is recorded weekly and will be available after at least two data points are collected.

40

Claude Sonnet 5 (batch)

vs

92.7

GPT-5.5 (batch)

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

Claude Sonnet 5 (batch)

Anthropic

Best Value
Per request$0.003500
Daily$11.67
Monthly$350.00
Annual$4200.00

GPT-5.5 (batch)

OpenAI

Per request$0.010000
Daily$33.33
Monthly$1000.00
Annual$12000.00

Claude Sonnet 5 (batch) saves you $650.00/month

That's $7800.00/year compared to GPT-5.5 (batch) at your current usage level of 100K calls/month.

65% cheaper
Choose Claude Sonnet 5 (batch) for cost optimization

Claude Sonnet 5 (batch) pricing:
Input:$1.00/M tokens
Output:$5.00/M tokens
GPT-5.5 (batch) pricing:
Input:$2.50/M tokens
Output:$15.00/M tokens
Claude Sonnet 5 (batch)

Anthropic

40

Composite Score

Winner
GPT-5.5 (batch)

OpenAI

93

Composite Score

Signal-by-Signal Comparison
MetricClaude Sonnet 5 (batch)GPT-5.5 (batch)Winner
Overall Score
40
93
GPT-5.5 (batch)
Rank#221#13
GPT-5.5 (batch)
Quality Rank#221#13
GPT-5.5 (batch)
Adoption Rank#221#13
GPT-5.5 (batch)
Parameters------
Context Window1000K1050K
GPT-5.5 (batch)
Pricing$1.00/$5.00/M$2.50/$15.00/M--
Signal Scores
Capabilities
100
100
Claude Sonnet 5 (batch)
Pricing
95
85
Claude Sonnet 5 (batch)
Context window size
95
96
GPT-5.5 (batch)
Recency
100
100
Claude Sonnet 5 (batch)
Output Capacity
85
85
Claude Sonnet 5 (batch)
Benchmarks--
93
GPT-5.5 (batch)
Benchmark Head-to-Head(5 benchmarks)
Claude Sonnet: 0GPT-5.5 (batch): 0
Claude Sonnet
GPT-5.5 (batch)
Normalized 0-100%
MMLU
-92.4%
GPQA Diamond
-93.6%
SWE-bench Verified
-88.7%
Arena Elo
-1475
HLE
-41.4%
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 Sonnet 5 (batch)Entry Level

Scores 40/100 (rank #221), placing it in the top 24% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
GPT-5.5 (batch)Elite Tier

Scores 93/100 (rank #13), placing it in the top 96% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

GPT-5.5 (batch) has a 53-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.

When to Use Each Model

Choose Claude Sonnet 5 (batch) when you need:

  • High-volume production workloads where API costs must be minimized
  • Step-by-step reasoning and chain-of-thought problem solving

Choose GPT-5.5 (batch) when you need:

  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
Claude Sonnet 5 (batch)Best Value
Input cost$1.00/M tokens
Output cost$5.00/M tokens
Cost per quality point$0.150
Est. monthly (1M tokens/day)$90.00
GPT-5.5 (batch)
Input cost$2.50/M tokens
Output cost$15.00/M tokens
Cost per quality point$0.189
Est. monthly (1M tokens/day)$262.50

Claude Sonnet 5 (batch) offers 66% better value per quality point. At 1M tokens/day, you'd spend $90.00/month with Claude Sonnet 5 (batch) vs $262.50/month with GPT-5.5 (batch) - a $172.50 monthly difference.

Latency & Speed
Claude Sonnet 5 (batch)Faster
Speed score0/100
GPT-5.5 (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 Sonnet 5 (batch)

Customer support chatbot

Suitable for user-facing chat with competitive response times. Claude Sonnet 5 (batch) also offers lower per-token costs for high-volume support

Claude Sonnet 5 (batch)

Long document analysis

Larger context window (1050K tokens) can process longer documents, contracts, and research papers in a single pass

GPT-5.5 (batch)

Batch data extraction

Lower output pricing ($5.00/M) reduces costs when processing thousands of records daily

Claude Sonnet 5 (batch)

Creative writing & content

Higher overall composite score (93/100) correlates with better nuance, coherence, and style in long-form content

GPT-5.5 (batch)

Image understanding & OCR

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

Claude Sonnet 5 (batch)
Which Should You Choose?
Our recommendation:
GPT-5.5 (batch)

GPT-5.5 (batch) clearly outperforms Claude Sonnet 5 (batch) with a significant 52.7-point lead. For most general use cases, GPT-5.5 (batch) is the stronger choice. However, Claude Sonnet 5 (batch) may still excel in niche scenarios.

by Anthropic

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 66% lower pricing; better value at scale
  • 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
GPT-5.5 (batch)
Recommended

by OpenAI

Consider for specialized use cases.

Capability Comparison
CapabilityClaude Sonnet 5 (batch)GPT-5.5 (batch)
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoning
Web Search
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

Claude Sonnet 5 (batch)

Anthropic

Best Value
$7.80
estimated monthly cost

GPT-5.5 (batch)

OpenAI

$22.50
estimated monthly cost

Claude Sonnet 5 (batch) saves you $14.70/month

That's 65% cheaper than GPT-5.5 (batch) 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 Sonnet 5 (batch)GPT-5.5 (batch)
Context Window1M1.1M
Max Output Tokens128,000128,000
Open SourceNoNo
CreatedJun 30, 2026Apr 24, 2026
Last updated: 18m ago

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