See key specs and per-benchmark scores for each model/mode. Scroll horizontally for all columns. 当前对比 2 个模型的评测数据与核心参数。

Claude Fable 5
Anthropic
Each axis is a category average, normalized to a 100-point radar.
Relative edge: 编程与软件工程 +21.7 / Relative gap: none clear
Relative edge: none clear / Relative gap: 编程与软件工程 -21.7
Method: for each model and benchmark, the chart first averages all scores in the current mode scope instead of taking the best score, then averages those benchmark scores within each category. Only benchmarks with at least two selected models scored are included; missing values are not counted as zero.
Best overall
Claude Fable 5 · 74.77
Best single
Claude Fable 5 · OSWorld-Verified 85.00
Modality coverage
Claude Fable 5 · 0 modalities
Head to head
3
Benchmarks
3
Wins
0
Losses
+11.60
Average diff
Compare benchmark results across thinking modes and tool usage.
Data sourced primarily from official releases (GitHub, Hugging Face, papers), then benchmark leaderboards, then third-party evaluators. Learn about our data methodology
Complete scores for each model/mode across selected benchmarks.
3 benchmarks with comparable scores. Each model shows its best score; mode label is displayed below.
| Benchmark | Claude Fable 5 | GPT-5.5 |
|---|---|---|
HLE 综合评估 | 59.00Deep Thinking Mode | 52.20Thinking Level · High | Tools |
SWE-Bench Pro - Public 编程与软件工程 | 80.30Deep Thinking Mode | Tools | 58.60Thinking Level · High | Tools |
OSWorld-Verified AI Agent - 工具使用 | 85.00Thinking Level · High | Tools | 78.70Thinking Level · High | Tools |
Side-by-side input/output token pricing
Licensing, MoE architecture, and multi-modality support.
| Features & specs | Claude Fable 5Anthropic | GPT-5.5OpenAI |
|---|---|---|
Core specsRelease | 2026-06-09 | 2026-04-23 |
Context length | 1M | 1000K |
Max output | 128000 | 131072 |
MoE | No | No |
LicenseCode Open Source | Not provided | Not provided |
Weights Open Source | Not provided | Not provided |
Commercial use | 不开源 | 不开源 |
ResourcesPaper / report | Claude Fable 5 and Claude Mythos 5 | Introducing GPT‑5.5 |
DataLearner blog | Not provided | OpenAI 发布 GPT-5.5:代号 |

GPT-5.5
OpenAI