token.app › Compare › GPT-5 Nano vs Inkling Small
GPT-5 Nano vs Inkling Small
Inkling Small leads on 4 of 4 shared benchmarks. GPT-5 Nano is 4.6× cheaper per token on a blended 3:1 basis. Inkling Small accepts the larger context window (524K).
Head to head
Blended price uses a 3:1 input:output mix
| GPT-5 Nano | Inkling Small | |
|---|---|---|
| Provider | OpenAI | Thinkingmachines |
| Input $/1M | $0.050 | $0.450 |
| Output $/1M | $0.400 | $1.20 |
| Blended $/1M | $0.138 | $0.637 |
| Context window | 400K | 524K |
| Max output | 128K | 262K |
| Released | Aug 2025 | Jul 2026 |
| Licence | Proprietary | Open weights |
| GPQA Diamond | 69.4% | 88.5% |
| FrontierMath T1–3 | 20.0% | 46.3% |
| FrontierMath T4 | 2.4% | 17.1% |
| OTIS Mock AIME | 81.1% | 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 Nano if…
- Costs less per token — $0.138 vs $0.637 blended
Choose Inkling Small if…
- Higher GPQA Diamond (88.5% vs 69.4%)
- Higher FrontierMath T1–3 (46.3% vs 20.0%)
- Higher FrontierMath T4 (17.1% vs 2.4%)
- Higher OTIS Mock AIME (90.0% vs 81.1%)
- Larger context window (524K)
- Open weights — self-hostable
- Newer model (released Jul 2026)
FAQ
Which is better, GPT-5 Nano or Inkling Small?
Across the 4 benchmarks both models have independently-run scores for, GPT-5 Nano leads on 0 and Inkling Small leads on 4. Benchmarks are one input — price and context window are on this page too.
Is GPT-5 Nano cheaper than Inkling Small?
GPT-5 Nano is cheaper: $0.138 versus $0.637 per million tokens blended at 3:1 input:output. Input alone: $0.050 vs $0.450. Output alone: $0.400 vs $1.20.
What context windows do GPT-5 Nano and Inkling Small have?
GPT-5 Nano: 400,000 tokens. Inkling Small: 524,288 tokens.
Who makes GPT-5 Nano and Inkling Small?
GPT-5 Nano is made by OpenAI. Inkling Small is made by Thinkingmachines.