Claude Opus 4.7vsGranite 4.2 8B
Granite 4.2 8B is cheaper than Claude Opus 4.7 at $0.1/M vs $5/M input tokens.
| Spec | Claude Opus 4.7 | Granite 4.2 8B |
|---|---|---|
| Input price | $5/M tokens | $0.1/M tokens |
| Output price | $25/M tokens | $0.15/M tokens |
| Context window | 1.0M tokens | 131K tokens |
| Weights | Closed | Open |
| Free API (OpenRouter) | No | No |
| Released | Apr 2026 | Aug 2026 |
Our Verdict
Claude Opus 4.7
Granite 4.2 8BRunner-up
Not enough votes to call it. On the specs, Claude Opus 4.7 has the edge: bigger model tier, bigger context window, major provider backing.
Granite 4.2 8B costs 167x less per token.
Too close to call
API pricing
Cost per 1M tokens
Claude Opus 4.7
Input
$5.00
Output
$25.00
Granite 4.2 8B
Input
$0.10
50× cheaper
Output
$0.15
167× cheaper
Granite 4.2 8B is cheaper on both: 50× input, 167× output.
Where to run it
6 hosts, cheapest first
Granite 4.2 8B2 hosts
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.
Writing DNA
Style Comparison
Similarity
41%
Claude Opus 4.7 uses 14.2x more headings
Claude Opus 4.7
Granite 4.2 8B
64%Vocabulary49%
20wSentence Length18w
0.51Hedging0.42
4.6Bold2.2
3.8Lists1.9
0.86Emoji0.49
1.60Headings0.11
0.03Transitions0.18
Based on 27 + 26 text responses
Research
What we learned reading every model
FAQ
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