token.app › Compare › Inkling Small vs Claude Opus 5 (Fast)
Inkling Small vs Claude Opus 5 (Fast)
Inkling Small is 31× cheaper per token on a blended 3:1 basis. Claude Opus 5 (Fast) accepts the larger context window (1M).
Head to head
Blended price uses a 3:1 input:output mix
| Inkling Small | Claude Opus 5 (Fast) | |
|---|---|---|
| Provider | Thinkingmachines | Anthropic |
| Input $/1M | $0.450 | $10.00 |
| Output $/1M | $1.20 | $50.00 |
| Blended $/1M | $0.637 | $20.00 |
| Context window | 524K | 1M |
| Max output | 262K | 128K |
| Released | Jul 2026 | Jul 2026 |
| Licence | Open weights | Proprietary |
Choose Inkling Small if…
- Costs less per token — $0.637 vs $20.00 blended
- Open weights — self-hostable
- Newer model (released Jul 2026)
Choose Claude Opus 5 (Fast) if…
- Larger context window (1M)
FAQ
Which is better, Inkling Small or Claude Opus 5 (Fast)?
We do not hold independently-run benchmark scores covering both Inkling Small and Claude Opus 5 (Fast), so we make no quality claim. Their pricing and specifications are compared on this page.
Is Inkling Small cheaper than Claude Opus 5 (Fast)?
Inkling Small is cheaper: $0.637 versus $20.00 per million tokens blended at 3:1 input:output. Input alone: $0.450 vs $10.00. Output alone: $1.20 vs $50.00.
What context windows do Inkling Small and Claude Opus 5 (Fast) have?
Inkling Small: 524,288 tokens. Claude Opus 5 (Fast): 1,000,000 tokens.
Who makes Inkling Small and Claude Opus 5 (Fast)?
Inkling Small is made by Thinkingmachines. Claude Opus 5 (Fast) is made by Anthropic.