Home Chat with free AI Claude Opus 5 (Fast)
Anthropic Premium · $18/month 255 tokens / message Balanced

Claude Opus 5 (Fast) · Anthropic

Fast-mode variant of Claude Opus 5 with identical capabilities but higher output speed. Delivers double processing speed at 2x pricing compared to regular Opus 5.

Double speed Full capabilities Accelerated processing

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Claude Opus 5 (Fast) requires the Premium plan

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About Claude Opus 5 (Fast)

Fast-mode variant of Claude Opus 5 with identical capabilities but higher output speed. Delivers double processing speed at 2x pricing compared to regular Opus 5.

Where it shines: Double speed · Full capabilities · Accelerated processing.

How to use Claude Opus 5 (Fast)

  1. 1

    Type or upload

    Type what you want in the box above — or upload the file if the tool asks for one.

  2. 2

    Generate

    Click the main button. Wait 2-30 seconds depending on the model and input size.

  3. 3

    Download or share

    Download the result or share the direct link. No watermark, ready to use.

Frequently asked questions

How much does it cost to use Claude Opus 5 (Fast)?

Claude Opus 5 (Fast) is Premium: costs 255 tokens per use (~$1.28 actual cost to provider). Requires Premium plan ($29/month → 60,000 tokens) or large one-shot packs. Intended for occasional professional use; Pro plan does not unlock Premium models.

How many uses of Claude Opus 5 (Fast) are included in the Premium plan?

Premium ($29/month) gives you 60,000 recurring tokens. At 255 tokens per use of Claude Opus 5 (Fast), that’s ~235 full uses per cycle. For occasional use, one-shot packs can be more cost-effective — they last up to a year from purchase.

What makes Claude Opus 5 (Fast) special?

Anthropic trains its models for honesty and nuanced reasoning — they admit when they don’t know something rather than inventing. Its specific strengths are: double speed, full capabilities, and accelerated processing. It accepts images as input (multimodal) as well as text — useful for describing captures, reading graphs, or solving problems from a photo.

How fast does Claude Opus 5 (Fast) respond?

Claude Opus 5 (Fast) has a balanced speed: 5-15 seconds per response — neither the fastest nor the slowest in the catalog. The actual time also depends on the length of the prompt and the load of the datacenter — models with huge context take longer when you enter very long texts.

How do I use Claude Opus 5 (Fast) in ia.gratis?

You can use Claude Opus 5 (Fast) from /chat/ by selecting Claude Opus 5 (Fast) in the picker, or via the REST API with `model=claude-opus-5-fast` in the POST body. Quick summary: claude Opus 5 (Fast): 2x speed with identical capabilities to regular Opus 5. The internal model identifier is `claude-opus-5-fast` — useful when integrating via API.