Compare models
Up to three side by side. The best in each row is marked; drag the slider to see your bill.
Claude Opus 5.5Anthropic Gemini 4 ArgonGoogle Claude Fable 5.1Anthropic Overall97Best9692
Coding100Best8489
Writing100Best9590
Support9097Best83
Value8386Best73
Input / 1M$4.00$2.00Best$10.00
Output / 1M$20.00$10.00Best$50.00
Blended / 1M$8.00$4.00Best$20.00
Context window1M1MBest1M
Open weightsNoNoNo
Released22 Sept 202613 Oct 20261 Sept 2026
Your monthly bill
Claude Opus 5.5$1.6k
Gemini 4 Argon$800Cheapest
Claude Fable 5.1$4.0k