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GPT-4 Turbo vs Claude Opus 4.8

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OpenAI · 128k context | Anthropic · 1M context

Pricing Comparison

Metric	GPT-4 Turbo	Claude Opus 4.8
Input / 1M tokens	$10	$5
Output / 1M tokens	$30	$25
Cached input / 1M	—	$0.5
Context window	128k	1M
Provider	OpenAI	Anthropic

Cost Calculator

Input tokens

Output tokens

Requests/day

💰 Claude Opus 4.8 saves $2,250.00/month (30% cheaper)

OGPT-4 Turbo

Per request$0.0250

Daily$250.00

Monthly$7,500.00

Yearly$91,250.00

AClaude Opus 4.8CHEAPER

Per request$0.0175

Daily$175.00

Monthly$5,250.00

Yearly$63,875.00

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Choose GPT-4 Turbo when…

✓ Optimized for: Legacy GPT-4 workloads

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Choose Claude Opus 4.8 when…

✓ Cheaper for RAG & document retrieval (lower input cost)
✓ 50% cheaper per input token
✓ Cheaper for generation-heavy workloads (lower output cost)
✓ Larger context window (1M vs 128k) — better for long documents
✓ Supports prompt caching — save up to 90% on repeated prompts
✓ Optimized for: Complex reasoning & coding

Related Comparisons

GPT-4 Turbo vs GPT-5 GPT-4 Turbo vs GPT-5 Mini GPT-4 Turbo vs GPT-4.1 GPT-4 Turbo vs GPT-4.1 Mini Claude Opus 4.8 vs GPT-5 Claude Opus 4.8 vs GPT-5 Mini