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Claude Fable 5 vs GPT-5.2

Claude Fable 5

Anthropic

97#1
vs
GPT-5.2

OpenAI

91#19
Signal-by-Signal Comparison
SignalClaude Fable 5DeltaGPT-5.2
Capabilities
100
--
100
Benchmarks
96
+7
89
Pricing
50
-36
86
Context window size
95
+6
89
Recency
100
+9
91
Output Capacity
85
--
85
Overall Result
3 wins
of 6
1 wins
Claude Fable 5 wins 3 of 6 signals

Score History

Score History (24 data points)
Claude Fable 5GPT-5.2
Claude Fable 5

97.1

current score

Leader

Claude Fable 5

right now

GPT-5.2

90.5

current score

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

Claude Fable 5

Anthropic

Per request$0.035000
Daily$116.67
Monthly$3500.00
Annual$42000.00

GPT-5.2

OpenAI

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

GPT-5.2 saves you $2625.00/month

That's $31500.00/year compared to Claude Fable 5 at your current usage level of 100K calls/month.

75% cheaper
Choose GPT-5.2 for cost optimization

Claude Fable 5 pricing:
Input:$10.00/M tokens
Output:$50.00/M tokens
GPT-5.2 pricing:
Input:$1.75/M tokens
Output:$14.00/M tokens
Winner
Claude Fable 5

Anthropic

97

Composite Score

GPT-5.2

OpenAI

91

Composite Score

Signal-by-Signal Comparison
MetricClaude Fable 5GPT-5.2Winner
Overall Score
97
91
Claude Fable 5
Rank#1#19
Claude Fable 5
Quality Rank#1#19
Claude Fable 5
Adoption Rank#1#19
Claude Fable 5
Parameters------
Context Window1000K400K
Claude Fable 5
Pricing$10.00/$50.00/M$1.75/$14.00/M--
Signal Scores
Capabilities
100
100
Claude Fable 5
Benchmarks
96
89
Claude Fable 5
Pricing
50
86
GPT-5.2
Context window size
95
89
Claude Fable 5
Recency
100
91
Claude Fable 5
Output Capacity
85
85
Claude Fable 5
Benchmark Head-to-Head(11 benchmarks)
Claude Fable: 4GPT-5.2: 0
Claude Fable
GPT-5.2
Normalized 0-100%
MMLU
-93.5%
MMLU-Pro
-86%
GPQA Diamond
94.1%87%
MATH-500
-94%
HumanEval
-97%
SWE-bench Verified
95%78%
IFEval
-93%
BBH
-91.5%
Arena Elo
15081481
LiveBench
-77.5%
HLE
59%37%
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 Fable 5Elite Tier

Scores 97/100 (rank #1), placing it in the top 100% of all 290 models tracked.

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

Scores 91/100 (rank #19), placing it in the top 94% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

Claude Fable 5 has a 7-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 Fable 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-5.2 when you need:

  • High-volume production workloads where API costs must be minimized
  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
Claude Fable 5
Input cost$10.00/M tokens
Output cost$50.00/M tokens
Cost per quality point$0.618
Est. monthly (1M tokens/day)$900.00
GPT-5.2Best Value
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

GPT-5.2 offers 74% better value per quality point. At 1M tokens/day, you'd spend $236.25/month with GPT-5.2 vs $900.00/month with Claude Fable 5 - a $663.75 monthly difference.

Latency & Speed
Claude Fable 5Faster
Speed score0/100
GPT-5.2
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 Fable 5

Customer support chatbot

Suitable for user-facing chat with competitive response times. GPT-5.2 also offers lower per-token costs for high-volume support

Claude Fable 5

Long document analysis

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

Claude Fable 5

Batch data extraction

Lower output pricing ($14.00/M) reduces costs when processing thousands of records daily

GPT-5.2

Creative writing & content

Higher overall composite score (97/100) correlates with better nuance, coherence, and style in long-form content

Claude Fable 5

Image understanding & OCR

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

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

Claude Fable 5 has a moderate advantage with a 6.599999999999994-point lead in composite score. It wins on more signal dimensions, but GPT-5.2 has specific strengths that could make it the better choice for certain workflows.

Claude Fable 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 - 74% lower pricing; better value at scale
Capability Comparison
CapabilityClaude Fable 5GPT-5.2
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 Fable 5

Anthropic

$78.00
estimated monthly cost

GPT-5.2

OpenAI

Best Value
$19.95
estimated monthly cost

GPT-5.2 saves you $58.05/month

That's 74% cheaper than Claude Fable 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 Fable 5GPT-5.2
Context Window1M400K
Max Output Tokens128,000128,000
Open SourceNoNo
CreatedJun 9, 2026Dec 10, 2025
Last updated: 57m ago

相关对比

Claude Fable 5 vs GPT-5.2 (2026) | LM Market Cap