GPT-5.1 High vs Inkling-Small: Specs & Benchmark Comparison
| Characteristic | GPT-5.1 High | Inkling-Small |
|---|---|---|
| Company | OpenAI | Thinking Machines Lab |
| Release Date | November 11, 2025 | July 30, 2026 |
| Parameters | — | 276B |
| Multimodal | Yes | Yes |
| Context (input) | 256K | 256K |
| Context (output) | 128K | 256K |
| Input Price / 1M | $2.00 | $0.30 |
| Output Price / 1M | $8.00 | $1.20 |
| Average Score | 0.9 | 0.6 |
| Benchmarks | ||
| GPQA | 0.9 | 0.9 |
Visual Benchmark Comparison
GPT-5.1 High
Inkling-Small
GPQA0.9 vs 0.9
0.9
0.9
Verdict
Inkling-Small leads in 2 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: GPT-5.1 High — 0.9, Inkling-Small — 0.6.
API Cost
Inkling-Small is 6.7x cheaper: input $0.30/1M vs $2.00/1M tokens.
Context Window
Same context size: 256K tokens.
Recency
Inkling-Small is newer: released 7/30/2026 vs 11/11/2025.
More About These Models
Related Comparisons
Frequently Asked Questions
Which is better for coding — GPT-5.1 High or Inkling-Small?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — GPT-5.1 High or Inkling-Small?
Inkling-Small is cheaper for input: $0.30 per 1M tokens vs $2.00.
Which has a larger context window — GPT-5.1 High or Inkling-Small?
GPT-5.1 High supports a larger context: 256,000 tokens vs 256,000.
The GPT-5.1 High 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 GPT-5.1 High or Inkling-Small page. See also the complete list of AI model comparisons.