Compare Claude Opus 4.8 from Anthropic and Gemini 2.5 Flash Preview 05-20 Search from Google on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.
Claude Opus 4.8
Gemini 2.5 Flash Preview 05-20 SearchClaude Opus 4.8 is Anthropic’s newest and most powerful publicly available model. It is suitable for the most complex tasks. It is Anthropic’s strongest model for complex reasoning, long-horizon agent programming, and highly autonomous work.claude-opus-4-8 does not display thought content by default; you need to set the additional parameter "display": "summarized" to enable it
Gemini-2.5 Flash Preview 05-20 Search integrates Google's official search functionality; the search feature will have an additional separate fee log directly integrated into the scoring deduction, with detailed logs not displayed. It will be fixed and displayed later. Only OpenAI-compatible formats are supported for invocation; Gemini SDK is not supported. For Gemini's native SDK, please set parameters directly using the official search parameters.
Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.
Promotional prices show the discounted rate; see each model page for promotion windows.
Daily traffic served through AIHubMix — how demand for each model is trending.
Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.
Estimate your monthly bill for the same workload on each model.
Monthly = daily × 30. Discounted rates applied where a promotion is active.
Gemini 2.5 Flash Preview 05-20 Search: $2.499/M output tokens; Claude Opus 4.8: $25/M. Use the cost calculator above to estimate your own workload.
Gemini 2.5 Flash Preview 05-20 Search: 0.7s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.
Claude Opus 4.8 accepts 1,000,000 and Gemini 2.5 Flash Preview 05-20 Search accepts 1,048,576 input tokens. Maximum output per request is 128,000 tokens on Claude Opus 4.8 and 65,536 tokens on Gemini 2.5 Flash Preview 05-20 Search.
Claude Opus 4.8 at 82.6 tok/s and Gemini 2.5 Flash Preview 05-20 Search at 54.6 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.
Claude Opus 4.8 accepts text, image and PDF input and supports thinking, tool calling, function calling and structured outputs; Gemini 2.5 Flash Preview 05-20 Search accepts text, image, video and audio input and supports tool calling, function calling, structured outputs and long context.
Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.
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