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Claude Sonnet 5 (batch) vs GPT-5.2 Chat

vs
GPT-5.2 Chat

OpenAI

91#25
Signal-by-Signal Comparison
SignalClaude Sonnet 5 (batch)DeltaGPT-5.2 Chat
Capabilities
100
+17
83
Pricing
95
+9
86
Context window size
95
+14
81
Recency
100
+11
89
Output Capacity
85
+15
70
Benchmarks
0
-77
77
Overall Result
5 wins
of 6
1 wins
Claude Sonnet 5 (batch) wins 5 of 6 signals

Score History

Score History (25 data points)
Claude Sonnet 5 (batch)GPT-5.2 Chat
Claude Sonnet 5 (batch)

40

current score

Leader

GPT-5.2 Chat

right now

GPT-5.2 Chat

90.5

current score

LMMarketCap.com
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-5.2 Chat

OpenAI

Per request$0.008750
Daily$29.17
Monthly$875.00
Annual$10500.00

Claude Sonnet 5 (batch) saves you $525.00/month

That's $6300.00/year compared to GPT-5.2 Chat at your current usage level of 100K calls/month.

60% 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-5.2 Chat pricing:
Input:$1.75/M tokens
Output:$14.00/M tokens
Claude Sonnet 5 (batch)

Anthropic

40

Composite Score

Winner
GPT-5.2 Chat

OpenAI

91

Composite Score

Signal-by-Signal Comparison
MetricClaude Sonnet 5 (batch)GPT-5.2 ChatWinner
Overall Score
40
91
GPT-5.2 Chat
Rank#251#25
GPT-5.2 Chat
Quality Rank#251#25
GPT-5.2 Chat
Adoption Rank#251#25
GPT-5.2 Chat
Parameters------
Context Window1000K128K
Claude Sonnet 5 (batch)
Pricing$1.00/$5.00/M$1.75/$14.00/M--
Signal Scores
Capabilities
100
83
Claude Sonnet 5 (batch)
Pricing
95
86
Claude Sonnet 5 (batch)
Context window size
95
81
Claude Sonnet 5 (batch)
Recency
100
89
Claude Sonnet 5 (batch)
Output Capacity
85
70
Claude Sonnet 5 (batch)
Benchmarks--
77
GPT-5.2 Chat
Benchmark Head-to-Head(1 benchmarks)
Claude Sonnet: 0GPT-5.2 Chat: 0
Claude Sonnet
GPT-5.2 Chat
Normalized 0-100%
Arena Elo
-1476
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 #251), placing it in the top 14% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
GPT-5.2 ChatElite Tier

Scores 91/100 (rank #25), placing it in the top 92% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

GPT-5.2 Chat has a 51-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
  • Processing long documents or large codebases (1000K token context)
  • Step-by-step reasoning and chain-of-thought problem solving

Choose GPT-5.2 Chat when you need:

  • General-purpose tasks across coding, writing, and analysis
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-5.2 Chat
Input cost$1.75/M tokens
Output cost$14.00/M tokens
Cost per quality point$0.174
Est. monthly (1M tokens/day)$236.25

Claude Sonnet 5 (batch) offers 62% better value per quality point. At 1M tokens/day, you'd spend $90.00/month with Claude Sonnet 5 (batch) vs $236.25/month with GPT-5.2 Chat - a $146.25 monthly difference.

Latency & Speed
Claude Sonnet 5 (batch)Faster
Speed score0/100
GPT-5.2 Chat
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 (1000K tokens) can process longer documents, contracts, and research papers in a single pass

Claude Sonnet 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 (91/100) correlates with better nuance, coherence, and style in long-form content

GPT-5.2 Chat

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-5.2 Chat

GPT-5.2 Chat clearly outperforms Claude Sonnet 5 (batch) with a significant 50.5-point lead. For most general use cases, GPT-5.2 Chat 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 - 62% 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-5.2 Chat
Recommended

by OpenAI

Consider for specialized use cases.

Capability Comparison
CapabilityClaude Sonnet 5 (batch)GPT-5.2 Chat
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 Sonnet 5 (batch)

Anthropic

Best Value
$7.80
estimated monthly cost

GPT-5.2 Chat

OpenAI

$19.95
estimated monthly cost

Claude Sonnet 5 (batch) saves you $12.15/month

That's 61% cheaper than GPT-5.2 Chat 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-5.2 Chat
Context Window1M128K
Max Output Tokens128,00016,384
Open SourceNoNo
CreatedJun 30, 2026Dec 10, 2025
Last updated: 26m ago

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Claude Sonnet 5 (batch) vs GPT-5.2 Chat (2026) | LM Market Cap