Data points: 81
Model compare
The readout for Claude Fable 5 and GPT-4, before the detailed comparison sheet.
Weighted outcome: Claude Fable 5. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
Claude Fable 5
Claude Fable 5 has the higher weighted result; Model A / B score 88 to 12.
Evidence depth
81 data points
Includes 3 benchmark rows, 2 audit samples, and 6 provider examples.
Selection signal
Start with Claude Fable 5
The charts below split 11 high-signal samples across speed, scores, and audit health.
Switch either side of this report to compare another model with the same LMSpeed data pipeline.
Select a different model to open a new comparison URL.
This report only uses LMSpeed data for Claude Fable 5 and GPT-4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | Claude Fable 5 | GPT-4 |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 88.0 pts | 12.0 pts |
| Benchmark category leads | 1 categories | 0 categories |
| Operational advantages | Average speed, Provider coverage | Cheapest input price, First-token latency, Free providers |
| Context window | 1M tokens | 8.2K tokens |
| Max output | 128K tokens | 4.1K tokens |
| Modalities | Input TextImageFile Output Text |
The overall result weights benchmark capability categories at 80% and price, API speed/latency, and availability at 20%. Recent test volume does not affect the winner, and missing benchmark categories are excluded.
| Model compare | Claude Fable 5 | GPT-4 |
|---|---|---|
| Developer | Anthropic | OpenAI |
| Released | Jun 2026 | May 2023 |
| Parameters | No data | No data |
| Tokenizer | Claude | GPT |
| Knowledge cutoff | No data | 2021-09-30 |
| OpenRouter ID | anthropic/claude-fable-5 | openai/gpt-4 |
| References | No data | No data |
This report only uses LMSpeed data for Claude Fable 5 and GPT-4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
Claude Fable 5
Claude Fable 5 is stronger in benchmark categories (Coding) and operational dimensions (Average speed, Provider coverage).
GPT-4
GPT-4 has these operational advantages: Cheapest input price, First-token latency, Free providers.
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
Compare benchmark category scores on a 0-100 scale. Select a category to inspect the gap.
Avg. score
Claude Fable 5
58.7
Avg. score
GPT-4
49.5
Claude Fable 5
Claude Fable 5 leads by 18.5
Claude Fable 5
Claude Fable 5
No data
No data
Claude Fable 5
Claude Fable 5
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Claude Fable 5
winner$10.00/M
Rank #153/162 · confidence 4
GPT-4
$30.00/M
Rank #160/162 · confidence 4
Claude Fable 5
winner$20.00/M
Rank #154/162 · confidence 4
GPT-4
$37.50/M
Rank #160/162 · confidence 4
Claude Fable 5
winner$50.00/M
Rank #154/162 · confidence 4
GPT-4
$60.00/M
Rank #155/162 · confidence 4
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude Fable 5 | GPT-4 |
|---|---|---|
Winner: Claude Fable 5 | Claude Fable 5 claude-fable-5 Audit score 79 648468100 | GPT-4 gpt-4-1106-preview No audit yet |
Winner: Claude Fable 5 | Claude Fable 5 claude-fable-5 Audit score 78 70728088 | GPT-4 gpt-4-1106-preview No audit yet |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | Claude Fable 5 | GPT-4 |
|---|---|---|
5 tests | Claude Fable 5 speed / latency 39 tok/s / 3109ms input / output No data | GPT-4 speed / latency N/A / N/A input / output No data |
5 tests | Claude Fable 5 speed / latency 134 tok/s / 1876ms input / output No data | GPT-4 speed / latency N/A / N/A input / output No data |
5 tests | Claude Fable 5 speed / latency 46 tok/s / 3687ms input / output No data | GPT-4 speed / latency N/A / N/A input / output No data |
0 tests | Claude Fable 5 speed / latency N/A / N/A input / output No data | GPT-4 speed / latency N/A / N/A input / output No data |
0 tests | Claude Fable 5 claude-fable-5 speed / latency N/A / N/A input / output $0.279/M/$1.40/M | GPT-4 gpt-4-all speed / latency N/A / N/A input / output $1.29/M |
Claude Fable 5 claude-fable-5 speed / latency No data input / output $0/request | GPT-4 gpt-4-32k-0613 speed / latency No data input / output $0/request |
Weighted outcome: Claude Fable 5. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Input
Output
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | Text inputText outputTool callingStructured outputsJSON mode |
|---|
