Updated March 2026
AI Model Comparison 2026
Compare ChatGPT, Claude, Gemini, Kimi, and DeepSeek. Find the best AI model for your use case with pricing, performance metrics, and market insights.
VS
Claude Opus 4.6
Anthropic | Frontier | Mar 2026
4 - 2
GPT-5.4
OpenAI | Frontier | Feb 2026
72.8%SWE-bench Verified68.5%
VS
71.4%GPQA Diamond66.9%
VS
92.3%MMLU91.7%
VS
48 tok/sSpeed78 tok/s
VS
1000KContext Window256K
VS
15$/MInput Price2.5$/M
VS
75$/MOutput Price10$/M
VS
Best for CodingDeep Reasoning1M Context
General PurposeMultimodalFast
Monthly Cost Calculator
1M50M tokens/mo500M
Input heavy70% in / 30% outOutput heavy
Claude Opus 4.6
$1650.00
/month
GPT-5.3 Codex
$166.25
/month
GPT-5.4
$237.50
/month
Grok 5
$400.00
/month
Claude Sonnet 4.6
$330.00
/month
Gemini 3.1 Pro
$332.50
/month
DeepSeek V4
$19.50
/month
Kimi K2.5
$64.00
/month
Recommendation Engine
Pick your primary use case and get our top 3 model recommendations with reasoning.
Claude Opus 4.6 leads SWE-bench at 72.8%. Codex offers the best code-to-cost ratio.
1
Claude Opus 4.6
Anthropic
SWE-bench
72.8%
Speed
48 tok/s
Input
$15/M
Output
$75/M
2
GPT-5.3 Codex
OpenAI
SWE-bench
70.1%
Speed
105 tok/s
Input
$1.75/M
Output
$7/M
3
GPT-5.4
OpenAI
SWE-bench
68.5%
Speed
78 tok/s
Input
$2.5/M
Output
$10/M