Compare · ModelsLive · 2 picked · head to head

Claude Opus 4.6 (Fast) vs GPT-5.4

Side by side · benchmarks, pricing, and signals you can act on.

Winner summary

GPT-5.4 wins 3 of 5 shared benchmarks. Leads in speed.

Category leads
speed·GPT-5.4arena·Claude Opus 4.6 (Fast)
Hype vs Reality
Claude Opus 4.6 (Fast)
#170 by perf·#9 by attention
OVERHYPED
GPT-5.4
#104 by perf·#4 by attention
DESERVED
Best value
12.4x better value than Claude Opus 4.6 (Fast)
Claude Opus 4.6 (Fast)
0.5 pts/$
$90.00/M
GPT-5.4
6.0 pts/$
$8.75/M
Vendor risk
Anthropic logo
Anthropic
$965.0B·Tier 1
Medium risk
OpenAI logo
OpenAI
$840.0B·Tier 1
Medium risk
Head to head
Claude Opus 4.6 (Fast)GPT-5.4
Artificial Analysis · Agentic Index
GPT-5.4 leads by +1.8
Artificial Analysis Agentic Index · a composite score measuring how well a model performs in agentic workflows · multi-step tool use, planning, error recovery, and autonomous task completion. Aggregates results from multiple agentic benchmarks including SWE-bench, tool-use tests, and planning evaluations. The canonical single-number metric for "how good is this model as an agent?"
Claude Opus 4.6 (Fast)
67.6
GPT-5.4
69.4
Artificial Analysis · Coding Index
GPT-5.4 leads by +9.2
Artificial Analysis Coding Index · a composite score that aggregates performance across multiple coding benchmarks into a single index. Tracks code generation quality, debugging ability, multi-language competence, and real-world software engineering tasks. Used by Artificial Analysis to rank model coding capability in a normalized, comparable format. Useful for developers choosing between models for coding-heavy workloads.
Claude Opus 4.6 (Fast)
48.1
GPT-5.4
57.3
Artificial Analysis · Quality Index
GPT-5.4 leads by +4.2
Claude Opus 4.6 (Fast)
53.0
GPT-5.4
57.2
Chatbot Arena Elo · Coding
Claude Opus 4.6 (Fast) leads by +147.1
Claude Opus 4.6 (Fast)
1542.2
GPT-5.4
1395.0
Chatbot Arena Elo · Overall
Claude Opus 4.6 (Fast) leads by +38.9
Claude Opus 4.6 (Fast)
1503.7
GPT-5.4
1464.8
Full benchmark table
BenchmarkClaude Opus 4.6 (Fast)GPT-5.4
Artificial Analysis · Agentic Index
Artificial Analysis Agentic Index · a composite score measuring how well a model performs in agentic workflows · multi-step tool use, planning, error recovery, and autonomous task completion. Aggregates results from multiple agentic benchmarks including SWE-bench, tool-use tests, and planning evaluations. The canonical single-number metric for "how good is this model as an agent?"
67.669.4
Artificial Analysis · Coding Index
Artificial Analysis Coding Index · a composite score that aggregates performance across multiple coding benchmarks into a single index. Tracks code generation quality, debugging ability, multi-language competence, and real-world software engineering tasks. Used by Artificial Analysis to rank model coding capability in a normalized, comparable format. Useful for developers choosing between models for coding-heavy workloads.
48.157.3
Artificial Analysis · Quality Index
53.057.2
Chatbot Arena Elo · Coding
1542.21395.0
Chatbot Arena Elo · Overall
1503.71464.8
Pricing · per 1M tokens · projected $/mo at 10M tokens
ModelInputOutputContextProjected $/mo
Anthropic logoClaude Opus 4.6 (Fast)$30.00$150.001.0M tokens (~500 books)$600.00
OpenAI logoGPT-5.4$2.50$15.001.1M tokens (~525 books)$56.25