token.app › Compare › Claude Opus 5 (Fast) vs Inkling Small

Claude Opus 5 (Fast) vs Inkling Small

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
Claude Opus 5 (Fast)Inkling Small
ProviderAnthropicThinkingmachines
Input $/1M$10.00$0.450
Output $/1M$50.00$1.20
Blended $/1M$20.00$0.637
Context window1M524K
Max output128K262K
ReleasedJul 2026Jul 2026
LicenceProprietaryOpen weights
Choose Claude Opus 5 (Fast) if…
  • Larger context window (1M)
Choose Inkling Small if…
  • Costs less per token — $0.637 vs $20.00 blended
  • Open weights — self-hostable
  • Newer model (released Jul 2026)
FAQ
Which is better, Claude Opus 5 (Fast) or Inkling Small?
We do not hold independently-run benchmark scores covering both Claude Opus 5 (Fast) and Inkling Small, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Claude Opus 5 (Fast) cheaper than Inkling Small?
Inkling Small is cheaper: $0.637 versus $20.00 per million tokens blended at 3:1 input:output. Input alone: $10.00 vs $0.450. Output alone: $50.00 vs $1.20.
What context windows do Claude Opus 5 (Fast) and Inkling Small have?
Claude Opus 5 (Fast): 1,000,000 tokens. Inkling Small: 524,288 tokens.
Who makes Claude Opus 5 (Fast) and Inkling Small?
Claude Opus 5 (Fast) is made by Anthropic. Inkling Small is made by Thinkingmachines.
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