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Claude Sonnet 5 vs GPT-4o

Claude Sonnet 5

Anthropic

85#44
vs
GPT-4o

OpenAI

71#111
Signal-by-Signal Comparison
SignalClaude Sonnet 5DeltaGPT-4o
Capabilities
100
+33
67
Pricing
90
--
90
Context window size
95
+14
81
Recency
100
+100
0
Output Capacity
85
+15
70
Benchmarks
0
-74
74
Overall Result
4 wins
of 6
1 wins
Claude Sonnet 5 wins 4 of 6 signals

Score History

Score History (24 data points)
Claude Sonnet 5GPT-4o
Claude Sonnet 5

85.2

current score

Leader

Claude Sonnet 5

right now

GPT-4o

71.2

current score

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

Claude Sonnet 5

Anthropic

Best Value
Per request$0.007000
Daily$23.33
Monthly$700.00
Annual$8400.00

GPT-4o

OpenAI

Per request$0.007500
Daily$25.00
Monthly$750.00
Annual$9000.00

Claude Sonnet 5 saves you $50.00/month

That's $600.00/year compared to GPT-4o at your current usage level of 100K calls/month.

7% cheaper
Choose Claude Sonnet 5 for cost optimization

Claude Sonnet 5 pricing:
Input:$2.00/M tokens
Output:$10.00/M tokens
GPT-4o pricing:
Input:$2.50/M tokens
Output:$10.00/M tokens
Winner
Claude Sonnet 5

Anthropic

85

Composite Score

GPT-4o

OpenAI

71

Composite Score

Signal-by-Signal Comparison
MetricClaude Sonnet 5GPT-4oWinner
Overall Score
85
71
Claude Sonnet 5
Rank#44#111
Claude Sonnet 5
Quality Rank#44#111
Claude Sonnet 5
Adoption Rank#44#111
Claude Sonnet 5
Parameters------
Context Window1000K128K
Claude Sonnet 5
Pricing$2.00/$10.00/M$2.50/$10.00/M--
Signal Scores
Capabilities
100
67
Claude Sonnet 5
Pricing
90
90
Claude Sonnet 5
Context window size
95
81
Claude Sonnet 5
Recency
100
0
Claude Sonnet 5
Output Capacity
85
70
Claude Sonnet 5
Benchmarks--
74
GPT-4o
Benchmark Head-to-Head(15 benchmarks)
Claude Sonnet: 0GPT-4o: 0
Claude Sonnet
GPT-4o
Normalized 0-100%
MMLU
-88.7%
MMLU-Pro
-72.6%
GPQA Diamond
-53.6%
MATH-500
-76.6%
HumanEval
-90.2%
SWE-bench Verified
-30.8%
GSM8K
-95.8%
IFEval
-84.3%
BBH
-83.7%
ARC-Challenge
-96.4%
HellaSwag
-95.3%
Arena Elo
-1286
LiveBench
-64.3%
BigCodeBench
-51.1%
SimpleQA
-38.2%
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 5Elite Tier

Scores 85/100 (rank #44), placing it in the top 85% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
GPT-4oStrong Performer

Scores 71/100 (rank #111), placing it in the top 62% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

Claude Sonnet 5 has a 14-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 Sonnet 5 when you need:

  • Processing long documents or large codebases (1000K token context)
  • Step-by-step reasoning and chain-of-thought problem solving

Choose GPT-4o when you need:

  • General-purpose tasks across coding, writing, and analysis
Cost-Performance Analysis
Claude Sonnet 5Best Value
Input cost$2.00/M tokens
Output cost$10.00/M tokens
Cost per quality point$0.141
Est. monthly (1M tokens/day)$180.00
GPT-4o
Input cost$2.50/M tokens
Output cost$10.00/M tokens
Cost per quality point$0.176
Est. monthly (1M tokens/day)$187.50

Both models are priced similarly, so the decision comes down to quality and features rather than cost.

Latency & Speed
Claude Sonnet 5Faster
Speed score0/100
GPT-4o
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

Customer support chatbot

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

Claude Sonnet 5

Long document analysis

Larger context window (1000K tokens) can process longer documents, contracts, and research papers in a single pass

Claude Sonnet 5

Batch data extraction

Lower output pricing ($10.00/M) reduces costs when processing thousands of records daily

Claude Sonnet 5

Creative writing & content

Higher overall composite score (85/100) correlates with better nuance, coherence, and style in long-form content

Claude Sonnet 5

Image understanding & OCR

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

Claude Sonnet 5
Which Should You Choose?
Our recommendation:
Claude Sonnet 5

Claude Sonnet 5 clearly outperforms GPT-4o with a significant 14-point lead. For most general use cases, Claude Sonnet 5 is the stronger choice. However, GPT-4o may still excel in niche scenarios.

Claude Sonnet 5
Recommended

by Anthropic

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 4% 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

by OpenAI

Consider for specialized use cases.

Capability Comparison
CapabilityClaude Sonnet 5GPT-4o
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoningdiffers
Web Searchdiffers
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

Claude Sonnet 5

Anthropic

Best Value
$15.60
estimated monthly cost

GPT-4o

OpenAI

$16.50
estimated monthly cost

Claude Sonnet 5 saves you $0.9000/month

That's 5% cheaper than GPT-4o 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 5GPT-4o
Context Window1M128K
Max Output Tokens128,00016,384
Open SourceNoNo
CreatedJun 30, 2026May 13, 2024
Last updated: 54m ago

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