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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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Anthropic Claude Opus 4.7OpenAI GPT-5
Version Major
4
5
SpecAnthropic Claude Opus 4.7OpenAI GPT-5
Version Major45
Cache Discount Percent90—
Cache Read PER 1M USD0.5—
Claude Code Synergy Precision Bonus15—
Codex Synergy Precision Bonus—12
Context Window Tokens M1—
Current Opus ModelClaude Opus 5.5—
Current Opus Version5.5—
Gpt5 Context Window Tokens K—400
Gpt5 Input PER 1M USD—1.25
Gpt5 Output PER 1M USD—10
Gpt5 Snapshot—gpt-5-2025-08-07
Gpt6 Astra Launch—2026-09-03
Lifecycle Statuslegacy (still available)—
MAX Output Tokens K128—
Pricing Input PER 1M USD5—
Pricing Output PER 1M USD25—
Released2026-04-16—
TOP Listed ModelClaude Fable 5.1—
TOP Listed Model Version5.1—
Version Decimal4.7—
Version Minor7—