tmirmota

AI Model Comparison Report: Opus 4.5 vs Competitors

Comprehensive Analysis of Cost vs Performance (January 2026)

---

Executive Summary

This report provides a detailed analysis of frontier AI models comparable to Claude Opus 4.5, examining pricing structures, performance benchmarks, and cost-efficiency ratios. The models analyzed include:

• Claude Opus 4.5 (Anthropic)

tmirmota

  -- Paste this as the header for: https://bslatkin.github.io/cohorts/
  -- Cohort group type,Cohort group value,Cohort day, Signups,Total Revenue (CAD)
WITH

  users AS (
  SELECT
    *
  FROM
    `picatic-prod.picatic_data_science.users` AS users
  WHERE

tmirmota

package main

import (
	"database/sql"
	"encoding/json"
	"log"
	"net/http"
	"fmt"
	"os"
	"reflect"

tmirmota

id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	ct	NULL	ALL	SHAPE	NULL	NULL	NULL	4783	100.00	Using temporary; Using filesort
1	SIMPLE	r	NULL	ALL	SHAPE	NULL	NULL	NULL	13994	100.00	Range checked for each record (index map: 0x4)