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Side-by-side comparison of LLM specifications and capabilities

GPT-5 Nano▾
GPT-4.1 GPT-5.1 GPT-5 Mini✓ GPT-5 Nano Gemini 3 Pro Claude Sonnet 4.5 Grok 4.1 Fast
GPT-5 NanoOpenAI
GPT-5 Nano▾
GPT-4.1 GPT-5.1 GPT-5 Mini✓ GPT-5 Nano Gemini 3 Pro Claude Sonnet 4.5 Grok 4.1 Fast
GPT-5 NanoOpenAI
Claude Sonnet 4.5▾
GPT-4.1 GPT-5.1 GPT-5 Mini GPT-5 Nano Gemini 3 Pro✓ Claude Sonnet 4.5 Grok 4.1 Fast
Claude Sonnet 4.5Anthropic
GPT-5.1▾
GPT-4.1✓ GPT-5.1 GPT-5 Mini GPT-5 Nano Gemini 3 Pro Claude Sonnet 4.5 Grok 4.1 Fast
GPT-5.1OpenAI
SPECIFICATIONS
Context Window 400K 400K 1.0M 400K
Max Output 128K 128K — 128K
Reasoning — — ✓ ✓
INPUT MODALITIES
Text ✓ ✓ ✓ ✓
Image ✓ ✓ ✓ ✓
Audio — — — —
Video — — — —
OUTPUT MODALITIES
Text ✓ ✓ ✓ ✓
Image — — — —
Audio — — — —
CAPABILITIES
Streaming ✓ ✓ ✓ ✓
Function Calling ✓ ✓ ✓ ✓
Structured Outputs ✓ ✓ ✓ ✓
Thinking — — ✓ —
TOOLS
Web Search ✓ ✓ ✓ ✓
Code Execution ✓ ✓ ✓ ✓
Computer Use — — ✓ —
Image Generation ✓ ✓ — ✓
PRICING (per 1M tokens)
Input $0.05 $0.05 $3.00 $1.25
Output $0.40 $0.40 $15.00 $10.00
Cached Input $0.01 $0.01 $0.30 $0.13

💸 Cost Calculator

GPT-5 Nano

💸Price Calculator
Input1.0M
$0.05
Output0.5M
$0.20
Total: $0.25
☕
0.2Coffee
🥇
0.0Gold (g)
🍕
0.1Pizza
🐄
0.0%Cow
🎮
0.0%RTX 5090

GPT-5 Nano

💸Price Calculator
Input1.0M
$0.05
Output0.5M
$0.20
Total: $0.25
☕
0.2Coffee
🥇
0.0Gold (g)
🍕
0.1Pizza
🐄
0.0%Cow
🎮
0.0%RTX 5090

Claude Sonnet 4.5

💸Price Calculator
Input1.0M
$3.00
Output0.5M
$7.50
Total: $10.50
☕
10Coffee
🥇
0.1Gold (g)
🍕
4.2Pizza
🐄
0.3%Cow
🎮
0.4%RTX 5090

GPT-5.1

💸Price Calculator
Input1.0M
$1.25
Output0.5M
$5.00
Total: $6.25
☕
6.2Coffee
🥇
0.0Gold (g)
🍕
2.5Pizza
🐄
0.2%Cow
🎮
0.2%RTX 5090