token.app › Compare › Inkling vs Claude Opus 5
Inkling vs Claude Opus 5
Claude Opus 5 leads on 4 of 4 shared benchmarks. Inkling is 5.7× cheaper per token on a blended 3:1 basis. Claude Opus 5 accepts the larger context window (1M).
Head to head
Blended price uses a 3:1 input:output mix
| Inkling | Claude Opus 5 | |
|---|---|---|
| Provider | Thinkingmachines | Anthropic |
| Input $/1M | $1.00 | $5.00 |
| Output $/1M | $4.05 | $25.00 |
| Blended $/1M | $1.76 | $10.00 |
| Context window | 524K | 1M |
| Max output | 472K | 128K |
| Released | Jul 2026 | Jul 2026 |
| Licence | Open weights | Proprietary |
| GPQA Diamond | 88.3% | 93.9% |
| FrontierMath T1–3 | 33.3% | 85.6% |
| FrontierMath T4 | 4.9% | 73.2% |
| OTIS Mock AIME | 88.9% | 98.9% |
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 Inkling if…
- Costs less per token — $1.76 vs $10.00 blended
- Open weights — self-hostable
Choose Claude Opus 5 if…
- Higher GPQA Diamond (93.9% vs 88.3%)
- Higher FrontierMath T1–3 (85.6% vs 33.3%)
- Higher FrontierMath T4 (73.2% vs 4.9%)
- Higher OTIS Mock AIME (98.9% vs 88.9%)
- Larger context window (1M)
- Newer model (released Jul 2026)
FAQ
Which is better, Inkling or Claude Opus 5?
Across the 4 benchmarks both models have independently-run scores for, Inkling leads on 0 and Claude Opus 5 leads on 4. Benchmarks are one input — price and context window are on this page too.
Is Inkling cheaper than Claude Opus 5?
Inkling is cheaper: $1.76 versus $10.00 per million tokens blended at 3:1 input:output. Input alone: $1.00 vs $5.00. Output alone: $4.05 vs $25.00.
What context windows do Inkling and Claude Opus 5 have?
Inkling: 524,288 tokens. Claude Opus 5: 1,000,000 tokens.
Who makes Inkling and Claude Opus 5?
Inkling is made by Thinkingmachines. Claude Opus 5 is made by Anthropic.