Claude Fable 5 vs Inkling-Small: Specs & Benchmark Comparison
| Characteristic | Claude Fable 5 | Inkling-Small |
|---|---|---|
| Company | Anthropic | Thinking Machines Lab |
| Release Date | June 9, 2026 | July 30, 2026 |
| Parameters | — | 276B |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | 256K |
| Context (output) | 128K | 256K |
| Input Price / 1M | $10.00 | $0.30 |
| Output Price / 1M | $50.00 | $1.20 |
| Average Score | 0.6 | 0.6 |
| Benchmarks | ||
| Humanity's Last Exam | 0.6 | 0.3 |
| SWE-Bench Pro | 0.8 | 0.6 |
| Terminal-Bench 2.1 | 0.8 | 0.6 |
| SWE-Bench Verified | 0.9 | 0.8 |
Visual Benchmark Comparison
Claude Fable 5
Inkling-Small
Humanity's Last Exam0.6 vs 0.3
0.6
0.3
SWE-Bench Pro0.8 vs 0.6
0.8
0.6
Terminal-Bench 2.10.8 vs 0.6
0.8
0.6
SWE-Bench Verified0.9 vs 0.8
0.9
0.8
Verdict
Inkling-Small leads in 2 out of 5 comparison categories.
Overall Performance
Both models show comparable average scores: Claude Fable 5 — 0.6, Inkling-Small — 0.6.
Programming
On SWE-Bench, both models are nearly equal: Claude Fable 5 — 0.9, Inkling-Small — 0.8.
API Cost
Inkling-Small is 40.0x cheaper: input $0.30/1M vs $10.00/1M tokens.
Context Window
Claude Fable 5 supports a larger context: 1M vs 256K tokens.
Recency
Inkling-Small is newer: released 7/30/2026 vs 6/9/2026.
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Frequently Asked Questions
Which is better for coding — Claude Fable 5 or Inkling-Small?
On the SWE-Bench benchmark, Claude Fable 5 shows a better result: 0.9 vs 0.8.
Which model is cheaper — Claude Fable 5 or Inkling-Small?
Inkling-Small is cheaper for input: $0.30 per 1M tokens vs $10.00.
Which has a larger context window — Claude Fable 5 or Inkling-Small?
Claude Fable 5 supports a larger context: 1,000,000 tokens vs 256,000.
The Claude Fable 5 and Inkling-Small comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Claude Fable 5 or Inkling-Small page. See also the complete list of AI model comparisons.