claude-fable-5 vs claude-sonnet-4-5
Side-by-side comparison of claude-fable-5 and claude-sonnet-4-5: benchmarks, pricing, context window and capabilities. Both are accessible through Requesty's unified API.
claude-fable-5
Input / 1M
$10.00
Output / 1M
$50.00
Context
1M
Model ID
anthropic/claude-fable-5
claude-sonnet-4-5
Input / 1M
$3.00
Output / 1M
$15.00
Context
1M
Model ID
anthropic/claude-sonnet-4-5
Benchmark comparison
Intelligence Indexreasoning
claude-fable-564.9%
claude-sonnet-4-5N/A
Coding Indexcoding
claude-fable-562.0%
claude-sonnet-4-5N/A
GPQA Diamondreasoning
claude-fable-592.6%
claude-sonnet-4-5N/A
Terminal-Bench Hardagentic
claude-fable-562.9%
claude-sonnet-4-5N/A
τ²-Benchagentic
claude-fable-598.5%
claude-sonnet-4-5N/A
SciCodecoding
claude-fable-560.2%
claude-sonnet-4-5N/A
Humanity's Last Examreasoning
claude-fable-553.3%
claude-sonnet-4-5N/A
Scores sourced from official model cards, Artificial Analysis, and public leaderboards. Benchmarks measure specific skills and don't capture every aspect of model quality.
Pricing & specifications
| claude-fable-5 | claude-sonnet-4-5 | |
|---|---|---|
| Input price / 1M | $10.00 | $3.00 |
| Output price / 1M | $50.00 | $15.00 |
| Context window | 1M tokens | 1M tokens |
| Max output | 128K tokens | 64K tokens |
| Vision input | Yes | Yes |
| Tool calling | Yes | Yes |
| Reasoning | Yes | Yes |
| Prompt caching | Yes | Yes |
| Computer use | Yes | Yes |
| Provider | Anthropic PBC | Anthropic PBC |
Questions people ask
Is claude-fable-5 better than claude-sonnet-4-5?
Benchmark data is limited for one or both models. Compare pricing and capabilities in the tables above, and test both on your own workload.
Which is cheaper, claude-fable-5 or claude-sonnet-4-5?
claude-sonnet-4-5 is cheaper. claude-fable-5 costs $10.00/$50.00 per 1M input/output tokens, while claude-sonnet-4-5 costs $3.00/$15.00.
Can I use claude-fable-5 and claude-sonnet-4-5 through the same API?
Yes. Requesty provides a single OpenAI-compatible API that routes to both. Change just the "model" parameter to switch between "anthropic/claude-fable-5" and "anthropic/claude-sonnet-4-5", no other code changes needed.
What are the context windows?
claude-fable-5 supports up to 1M tokens of context. claude-sonnet-4-5 supports up to 1M tokens. Longer context means you can feed larger documents or codebases in a single prompt, though quality often degrades past 128K for most models.
Switch between claude-fable-5 and claude-sonnet-4-5 with one line of code
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