Claude Fable 5.2 vs GPT-6.1 Sol
Claude Fable 5.2 leads the LLM Stats Score 61.3 to 53.1. GPT-6.1 Sol is 4.0x cheaper per token.
Anthropic · OpenAI · Updated for 2026
Which is better?
Claude Fable 5.2 leads the overall LLM Stats Score 61.3 to 53.1, ranking #1 overall.
In the 4 individual benchmarks reported for both models, Claude Fable 5.2 wins 3; this is a narrower head-to-head signal than the composite indexes.
On price, GPT-6.1 Sol is roughly 4.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
GPT-6.1 Sol also accepts a larger context window (1,050,000 input tokens), making it the stronger choice for long documents and large codebases.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Claude Fable 5.2
- overall performance matters — it scores 61.3 and ranks #1 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- you value its reported benchmark strengths — it wins 3 of 4 exact shared results
- you want the most recent training data — it shipped Nov 2026
Choose GPT-6.1 Sol
- cost matters — it's about 4.0x cheaper per token
- you process long inputs — it offers a 1,050,000 token context window
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
29 reported for Claude Fable 5.2 · 18 for GPT-6.1 Sol
Claude Fable 5.2 outperforms in 3 benchmarks (HealthBench, HealthBench Professional, Terminal-Bench-Science 0.1), while GPT-6.1 Sol is better at 1 benchmark (DeepSWE 1.1).
Claude Fable 5.2 shows notably better performance in the majority of benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Claude Fable 5.2 ($8.00/1M tokens) is 4.0x more expensive than GPT-6.1 Sol ($2.00/1M tokens).
For output processing, Claude Fable 5.2 ($40.00/1M tokens) is 4.0x more expensive than GPT-6.1 Sol ($10.00/1M tokens).
In conclusion, Claude Fable 5.2 is more expensive than GPT-6.1 Sol.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
GPT-6.1 Sol accepts 1,050,000 input tokens compared to Claude Fable 5.2's 1,000,000 tokens. Both models can generate responses up to 128,000 tokens.
Input capabilities
Documented input modalities across available providers
Both Claude Fable 5.2 and GPT-6.1 Sol support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude Fable 5.2
GPT-6.1 Sol
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Claude Fable 5.2 was released on 2026-11-09, while GPT-6.1 Sol was released on 2026-09-29.
Claude Fable 5.2 is 1 month newer than GPT-6.1 Sol.
Nov 9, 2026
0 days ago
1mo newerSep 29, 2026
1 months ago
Knowledge Cutoff
When training data ends
Claude Fable 5.2 has a knowledge cutoff of 2026-06-01, while GPT-6.1 Sol has a cutoff of 2026-04-30.
Claude Fable 5.2 has more recent training data (up to 2026-06-01), making it potentially better informed about events through that date compared to GPT-6.1 Sol (2026-04-30).
Jun 2026
2 mo newerApr 2026
Provider Availability
Claude Fable 5.2 is available from Anthropic. GPT-6.1 Sol is available from OpenAI.
Claude Fable 5.2
GPT-6.1 Sol
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude Fable 5.2 and GPT-6.1 Sol side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude Fable 5.2 vs GPT-6.1 Sol.