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Claude Opus 4.8 vs GPT 5 Mini

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

Compact GPT-5 variant balancing speed and intelligence.

78400K ctx$0.25/$2.00 per M#33/92
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
Smarter14%
Capability
CapabilityECI14%89.2
Reasoning & Knowledge
Graduate Science21%91.0%Factual Recall88%39.5%
Math
Math Problems—Competition Math13%98.3%Research Math73%47.2%
Coding
Real-World Coding37%88.6%
Agentic
Terminal Tasks—Novel Reasoning1523%72.1%
Reasoning
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper93%
Capability
CapabilityECI78.0
Reasoning & Knowledge
Graduate Science75.0%Factual Recall21.0%
Math
Math Problems97.8%Competition Math86.7%Research Math27.2%
Coding
Real-World Coding64.7%
Agentic
Terminal Tasks31.9%Novel Reasoning4.4%
Specs
1M
Context
128K
Max output
May 2026
Released
400K
Context
128K
Max output
Aug 2025
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$5.00/M tokens
Output$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
Input95%$0.25/M tokens
Output92%$2.00/M tokens
Cache read95%$0.02/M tokens
Web search$0.01/search
Chat with Claude Opus 4.8Go to model
Chat with GPT 5 MiniGo to model
Frequently Asked Questions: Claude Opus 4.8 vs GPT 5 Mini▼

Which is better, Claude Opus 4.8 or GPT 5 Mini?

▼

Based on the Capability Index, Claude Opus 4.8 scores higher (89.2 vs 78.0). 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 5 Mini?

▼

GPT 5 Mini has a lower blended cost. Claude Opus 4.8: $5.00 input / $25.00 output. GPT 5 Mini: $0.25 input / $2.00 output.

Which has a larger context window, Claude Opus 4.8 or GPT 5 Mini?

▼

Claude Opus 4.8 has a larger context window: Claude Opus 4.8 supports 1M tokens vs GPT 5 Mini at 400K tokens.

Do both Claude Opus 4.8 and GPT 5 Mini support vision?

▼

Yes, both Claude Opus 4.8 and GPT 5 Mini support vision/image input.

Which has better coding performance, Claude Opus 4.8 or GPT 5 Mini?

▼

Claude Opus 4.8 scores higher on SWE-bench Verified: Claude Opus 4.8 resolves 89% vs GPT 5 Mini at 65%.

What are the key differences between Claude Opus 4.8 and GPT 5 Mini?

▼

Key differences: Claude Opus 4.8 has a notably higher capability index (11.2 point gap); GPT 5 Mini is significantly cheaper. 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 5 Mini for free on idapt.app to see which performs better for your specific needs.

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