Claude Opus 5 vs Claude Fable 5 (batch)
Detailed technical comparison between Claude Opus 5 (Anthropic) and Claude Fable 5 (batch) (Anthropic). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.
Comparison Snapshot
Tie
Equal CapacityTie
Equal CapabilityTie
Equal SpeedTie
Equal PricingClaude Opus 5
Claude Opus 5 is an advanced artificial intelligence model engineered by Anthropic. Tailored for complex multi-step reasoning, programming synthesis, and extended document comprehension, Claude Opus 5 represents a key architectural iteration in the Anthropic model family. First released in 2026-07-24, it serves enterprise developers, research teams, and autonomous system architects requiring strict instruction compliance. Featuring an input capacity of 1,000,000 tokens (approximately 1,333 words), Claude Opus 5 processes multi-file code repositories, lengthy technical reports, and complex prompts in a single inference call.
Claude Fable 5 (batch)
Claude Fable 5 (batch) is an advanced artificial intelligence model engineered by Anthropic. Tailored for complex multi-step reasoning, programming synthesis, and extended document comprehension, Claude Fable 5 (batch) represents a key architectural iteration in the Anthropic model family. First released in 2026-06-09, it serves enterprise developers, research teams, and autonomous system architects requiring strict instruction compliance. Featuring an input capacity of 1,000,000 tokens (approximately 1,333 words), Claude Fable 5 (batch) processes multi-file code repositories, lengthy technical reports, and complex prompts in a single inference call.
Technical Specifications
🏆 = Superior Spec| Specification | Claude Opus 5 | Claude Fable 5 (batch) |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Context Window | 1,000,000 tokens | 1,000,000 tokens |
| Agent Suitability | Not yet benchmarked | Not yet benchmarked |
| Time to First Token (TTFT) | No public TTFT data | No public TTFT data |
| Deployment Model | managed api | managed api |
| Production Stability | Beta Access (est.) | Beta Access (est.) |
| API Available | Yes | Yes |
| Released Date | 2026-07-24 | 2026-06-09 |
API Pricing Comparison
Input Price per Million Tokens
Claude Opus 5
$5.00
Claude Fable 5 (batch)
$5.00
Output Price per Million Tokens
Claude Opus 5
$25.00
Claude Fable 5 (batch)
$25.00
💡 Cost Ratio: Both models offer identical input token pricing ($5.00 / MTok).
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Run side-by-side prompt benchmarks in our dynamic multi-model Sandbox. Compare execution speeds, latency metrics, and compute actual costs in real-time.
Benchmark Performance Metrics
Standardized Scores (0–100%)Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.
Claude Opus 5 Quirks & Gotchas
No developer gotchas reported.
Claude Fable 5 (batch) Quirks & Gotchas
No developer gotchas reported.
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