Claude Opus 4.8 (Fast Mode): token counter & pricing
Anthropic · exact (uses official tokenizer) · pricing as of 2026-05-31.
- Provider
- Anthropic
- API model ID
claude-opus-4-8-fast- Context window
- 200,000 tokens
- Input price
- $10.00 per 1M tokens
- Output price
- $50.00 per 1M tokens
- Tokenizer accuracy
- exact (uses official tokenizer)
- Pricing as of
- 2026-05-31
Open the counter to count tokens for Claude Opus 4.8 (Fast Mode) in real time.
Detailed write-up for Claude Opus 4.8 (Fast Mode) is coming soon. In the meantime, the live counter at the top of this page works for all supported models.
Compare Claude Opus 4.8 (Fast Mode) to other models
- Claude Opus 4.8 (Anthropic, $5.00/$25.00)
- Claude Sonnet 4.6 (Anthropic, $3.00/$15.00)
- Claude Haiku 4.5 (Anthropic, $1.00/$5.00)
- GPT-4 Turbo (OpenAI, $10.00/$30.00)
- GPT-5.5 (OpenAI, $5.00/$30.00)
- GPT-5 Pro (OpenAI, $15.00/$120.00)