token.app › Compare › GPT-5.6 Terra vs Inkling Small
GPT-5.6 Terra vs Inkling Small
GPT-5.6 Terra leads on 4 of 4 shared benchmarks. Inkling Small is 7.1× cheaper per token on a blended 3:1 basis. GPT-5.6 Terra accepts the larger context window (1.1M).
Head to head
Blended price uses a 3:1 input:output mix
| GPT-5.6 Terra | Inkling Small | |
|---|---|---|
| Provider | OpenAI | Thinkingmachines |
| Input $/1M | $2.00 | $0.450 |
| Output $/1M | $12.00 | $1.20 |
| Blended $/1M | $4.50 | $0.637 |
| Context window | 1.1M | 524K |
| Max output | 128K | 262K |
| Released | Jul 2026 | Jul 2026 |
| Licence | Proprietary | Open weights |
| GPQA Diamond | 93.3% | 88.5% |
| FrontierMath T1–3 | 86.0% | 46.3% |
| FrontierMath T4 | 70.7% | 17.1% |
| OTIS Mock AIME | 99.7% | 90.0% |
Benchmark scores independently run and published by Epoch AI, 'AI Benchmarking Hub', used under CC BY 4.0. Only benchmarks with a score for BOTH models are compared.
Choose GPT-5.6 Terra if…
- Higher GPQA Diamond (93.3% vs 88.5%)
- Higher FrontierMath T1–3 (86.0% vs 46.3%)
- Higher FrontierMath T4 (70.7% vs 17.1%)
- Higher OTIS Mock AIME (99.7% vs 90.0%)
- Larger context window (1.1M)
Choose Inkling Small if…
- Costs less per token — $0.637 vs $4.50 blended
- Open weights — self-hostable
- Newer model (released Jul 2026)
FAQ
Which is better, GPT-5.6 Terra or Inkling Small?
Across the 4 benchmarks both models have independently-run scores for, GPT-5.6 Terra leads on 4 and Inkling Small leads on 0. Benchmarks are one input — price and context window are on this page too.
Is GPT-5.6 Terra cheaper than Inkling Small?
Inkling Small is cheaper: $0.637 versus $4.50 per million tokens blended at 3:1 input:output. Input alone: $2.00 vs $0.450. Output alone: $12.00 vs $1.20.
What context windows do GPT-5.6 Terra and Inkling Small have?
GPT-5.6 Terra: 1,050,000 tokens. Inkling Small: 524,288 tokens.
Who makes GPT-5.6 Terra and Inkling Small?
GPT-5.6 Terra is made by OpenAI. Inkling Small is made by Thinkingmachines.