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MCS · Rigs · Compare

Side-by-side, with the numbers that matter.

Two rigs, one table. Higher numbers win in cobalt; TDP and price flip.

1 of 22 fields comparable

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OpenAI GPT-5Anthropic Claude Opus 4.7
Version Major
5
4
SpecOpenAI GPT-5Anthropic Claude Opus 4.7
Version Major54
Cache Discount Percent—90
Cache Read PER 1M USD—0.5
Claude Code Synergy Precision Bonus—15
Codex Synergy Precision Bonus12—
Context Window Tokens M—1
Current Opus Model—Claude Opus 5.5
Current Opus Version—5.5
Gpt5 Context Window Tokens K400—
Gpt5 Input PER 1M USD1.25—
Gpt5 Output PER 1M USD10—
Gpt5 Snapshotgpt-5-2025-08-07—
Gpt6 Astra Launch2026-09-03—
Lifecycle Status—legacy (still available)
MAX Output Tokens K—128
Pricing Input PER 1M USD—5
Pricing Output PER 1M USD—25
Released—2026-04-16
TOP Listed Model—Claude Fable 5.1
TOP Listed Model Version—5.1
Version Decimal—4.7
Version Minor—7