| Provider | Anthropic |
|---|---|
| Model ID | anthropic/claude-opus-4.8-fast |
| Prompt Price per 1M tokens | $10 |
| Completion Price per 1M tokens | $50 |
| Sample Workload Cost 1M input + 500K output | $35 |
| Context Window | 1M |
| Release Date |
NewClaude Opus 4.8 (Fast)
Anthropic API model specs with normalized input price, output price, context window, sample workload cost, and related comparisons.
Page updated:
Data confirmed:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget brief
Claude Opus 4.8 (Fast) is estimated at $35 for the standard workload.
Claude Opus 4.8 (Fast) is best suited for long-context workloads. A 1M input token plus 500K output token workload is estimated at $35.
Input price$10per 1M tokens
Output price$50per 1M tokens
Context window1Mreported maximum
Releasecatalog timestamp
Use this as a first-pass planning estimate, then verify provider limits, routing, discounts, and availability before production deployment.
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This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.
Alternative path
Alternative Shortlist
Use these rows to build a test shortlist around Claude Opus 4.8 (Fast). Lower cost, same-provider fit, and larger context are separate decisions, so each group is ranked by a different signal.
Lower-cost alternatives
Cross-provider candidates with a lower standard 1M input plus 500K output estimate.
| Model | Provider | Sample Cost | Context | Why it is here | Next Step |
|---|---|---|---|---|---|
| New🔥Owl Alpha | OpenRouter | $0 | 1.05M | Lower standard workload estimate from another provider. | Open model Compare |
| 🔥Nemotron 3 Super (free) | NVIDIA | $0 | 1M | Lower standard workload estimate from another provider. | Open model Compare |
| New🔥Laguna M.1 (free) | Poolside | $0 | 262.14K | Lower standard workload estimate from another provider. | Open model Compare |
| gpt-oss-120b (free) | OpenAI | $0 | 131.07K | Lower standard workload estimate from another provider. | Open model Compare |
Same-provider swaps
Lower-cost options from the same provider, useful when account setup or procurement is already fixed.
| Model | Provider | Sample Cost | Context | Why it is here | Next Step |
|---|---|---|---|---|---|
| Claude 3 Haiku | Anthropic | $0.88 | 200K | Same provider with a lower standard workload estimate. | Open model Compare |
| Claude 3.5 Haiku | Anthropic | $2.8 | 200K | Same provider with a lower standard workload estimate. | Open model Compare |
| NewAnthropic Claude Haiku Latest | Anthropic | $3.5 | 200K | Same provider with a lower standard workload estimate. | Open model Compare |
| Claude Haiku 4.5 | Anthropic | $3.5 | 200K | Same provider with a lower standard workload estimate. | Open model Compare |
Larger-context upgrades near this budget
Models with more context that stay within a close sample-cost band when price data is available.
| Model | Provider | Sample Cost | Context | Why it is here | Next Step |
|---|---|---|---|---|---|
| Llama 4 Scout | Meta | $0.23 | 10M | More context while staying near this model's sample-cost band. | Open model Compare |
| Grok 4.20 | xAI | $2.5 | 2M | More context while staying near this model's sample-cost band. | Open model Compare |
| Grok 4.20 Multi-Agent | xAI | $5 | 2M | More context while staying near this model's sample-cost band. | Open model Compare |
| 🔥GPT-5.5 | OpenAI | $20 | 1.05M | More context while staying near this model's sample-cost band. | Open model Compare |
Fast-mode variant of [Opus 4.8](/anthropic/claude-opus-4.8) - identical capabilities with higher output speed at 2x pricing relative to regular Opus 4.8. Learn more in Anthropic's docs: https://platform.claude.com/docs/en/build-with-claude/fast-mode
Claude Opus 4.8 (Fast) is best suited for long-context workloads.
A 1M input token plus 500K output token workload is estimated at $35.
Decision Shortcuts
Compare this model
Search head-to-head pages that include Claude Opus 4.8 (Fast) and review input price, output price, context, and sample workload cost.
Find comparisonsAnthropic catalog
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Open provider hubCheaper alternatives
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Browse low-cost modelsLong-context alternatives
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