Claude Fable 5.1 vs Inkling
API pricing, context window and capabilities for Claude Fable 5.1 and Inkling, side by side. Prices are the cheapest listed serving route per 1M tokens, from LiteLLM and OpenRouter.
Verdict
computed from the published numbersClaude Fable 5.1 wins on Terminal-Bench and on intelligence. Inkling wins on price.
Price
Inkling
Terminal-Bench
Claude Fable 5.1
Intelligence
Claude Fable 5.1
Context window
Tied
Key takeaways
who wins on what, from the published numbersClaude Fable 5.1 wins
- Higher max output (128K vs 33K)
- More serving providers (7 vs 6)
- Has web search
Inkling wins
- Cheaper input ($10.00 vs $0.95 /1M)
- Cheaper output ($50.00 vs $4.05 /1M)
Cheaper overall
Inkling
$0.95 + $4.05 /1M
Larger context
Tied
More providers
Claude Fable 5.1
7 providers
Pricing & specs
cheapest listed route · per 1M tokensOn-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments can be materially lower.
| Claude Fable 5.1 | Inkling | |
|---|---|---|
| Input $/1M | $10.00via Anthropic | $0.95via DeepInfra best |
| Output $/1M | $50.00via Anthropic | $4.05via Baseten best |
| Context window | 1M | 1M |
| Max output | 128K best | 33K |
| Serving providers | 7 best | 6 |
| Date | Released Sep 1, 2026 | Released Jul 16, 2026 |
Benchmarks
Benchmark scores, side by side| Claude Fable 5.1 | Inkling | |
|---|---|---|
| Intelligence | 53.4 best | 25.0 |
| Terminal-Bench | 91% best | 55% |
| GPQA Diamond | 94% best | 87% |
| Output speed | 71 t/s | 186 t/s best |
| Latency (TTFT) | 249.68s | 1.91s best |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
Claude Fable 5.1
via Amazon Bedrock
$100
Inkling
via DeepInfra
$8.80
Capabilities
feature support, side by side| Feature | Claude Fable 5.1 | Inkling |
|---|---|---|
| Vision | ✓ | ✓ |
| Tool use | ✓ | ✓ |
| Reasoning | ✓ | ✓ |
| Audio | — | — |
| Prompt caching | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Web search | ✓ | — |
Related comparisons
Frequently asked questions
Which is cheaper, Claude Fable 5.1 or Inkling?
Inkling is cheaper for input ($10.00 vs $0.95 per 1M tokens) from DeepInfra. Inkling is cheaper for output ($50.00 vs $4.05 per 1M tokens) from Baseten.
What is the context window difference between Claude Fable 5.1 and Inkling?
Both Claude Fable 5.1 and Inkling have about a 1M-token context window.
How do Claude Fable 5.1 and Inkling compare on benchmarks?
On the tracked benchmarks, Claude Fable 5.1 leads on Terminal-Bench, and Claude Fable 5.1 leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026
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