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Claude Opus 4.8 vs GPT 4 Turbo

At a glance

Anthropic's most capable Opus yet, built for long-horizon autonomous agents and frontier coding.

891M ctx$5.00/$25.00 per M#4/92

GPT-4 Turbo with vision capabilities and improved performance.

61128K ctx$10.00/$30.00 per M#68/92
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Reasoning
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·Provider·OpenRouter· as of 2026-07-10
Smarter45%Cheaper33%
Capability
CapabilityECI45%89.2
Reasoning & Knowledge
Graduate Science95%91.0%Factual Recall39.5%
Math
Math Problems—Competition Math1375%98.3%Research Math47.2%
Coding
Real-World Coding88.6%
Agentic
Novel Reasoning72.1%Task Horizon—
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Capability
CapabilityECI61.4
Reasoning & Knowledge
Graduate Science46.6%Factual Recall—
Math
Math Problems46.7%Competition Math6.7%Research Math—
Coding
Real-World Coding—
Agentic
Novel Reasoning—Task Horizon7min
Specs
1M
Context
128K
Max output
May 2026
Released
128K
Context
4K
Max output
Apr 2024
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input50%$5.00/M tokens
Output17%$25.00/M tokens
Cache read$0.50/M tokens
Cache write$6.25/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input$10.00/M tokens
Output$30.00/M tokens
Chat with Claude Opus 4.8Go to model
Chat with GPT 4 TurboGo to model
Frequently Asked Questions: Claude Opus 4.8 vs GPT 4 Turbo▼

Which is better, Claude Opus 4.8 or GPT 4 Turbo?

▼

Based on the Capability Index, Claude Opus 4.8 scores higher (89.2 vs 61.4). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.

Which is cheaper, Claude Opus 4.8 or GPT 4 Turbo?

▼

Claude Opus 4.8 has a lower blended cost. Claude Opus 4.8: $5.00 input / $25.00 output. GPT 4 Turbo: $10.00 input / $30.00 output.

Which has a larger context window, Claude Opus 4.8 or GPT 4 Turbo?

▼

Claude Opus 4.8 has a larger context window: Claude Opus 4.8 supports 1M tokens vs GPT 4 Turbo at 128K tokens.

Do both Claude Opus 4.8 and GPT 4 Turbo support vision?

▼

Yes, both Claude Opus 4.8 and GPT 4 Turbo support vision/image input.

What are the key differences between Claude Opus 4.8 and GPT 4 Turbo?

▼

Key differences: Claude Opus 4.8 has a notably higher capability index (27.8 point gap); only Claude Opus 4.8 offers extended reasoning mode. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Claude Opus 4.8 and GPT 4 Turbo for free on idapt.app to see which performs better for your specific needs.

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