Claude Fable 5.1 vs DeepSeek V4 Pro 0423
API pricing, context window and capabilities for Claude Fable 5.1 and DeepSeek V4 Pro 0423, 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. DeepSeek V4 Pro 0423 wins on price.
Price
DeepSeek V4 Pro 0423
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
- Supports vision
- Has web search
DeepSeek V4 Pro 0423 wins
- Cheaper input ($10.00 vs $0.435 /1M)
- Cheaper output ($50.00 vs $0.87 /1M)
- Higher max output (128K vs 1M)
- More serving providers (7 vs 16)
Cheaper overall
DeepSeek V4 Pro 0423
$0.435 + $0.87 /1M
Larger context
Tied
More providers
DeepSeek V4 Pro 0423
16 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 | DeepSeek V4 Pro 0423 | |
|---|---|---|
| Input $/1M | $10.00via Anthropic | $0.435via Tencent best |
| Output $/1M | $50.00via Anthropic | $0.87via Tencent best |
| Context window | 1M | 1M |
| Max output | 128K | 1M best |
| Serving providers | 7 | 16 best |
| Date | Released Sep 1, 2026 | Released Apr 24, 2026 |
Benchmarks
Benchmark scores, side by side| Claude Fable 5.1 | DeepSeek V4 Pro 0423 | |
|---|---|---|
| Intelligence | 53.4 best | 30.4 |
| Terminal-Bench | 91% best | 65% |
| GPQA Diamond | 94% best | 89% |
| Output speed | 71 t/s | 100 t/s best |
| Latency (TTFT) | 249.68s | 1.64s best |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
Claude Fable 5.1
via Amazon Bedrock
$100
DeepSeek V4 Pro 0423
via Tencent
$3.04
Capabilities
feature support, side by side| Feature | Claude Fable 5.1 | DeepSeek V4 Pro 0423 |
|---|---|---|
| Vision | ✓ | — |
| Tool use | ✓ | ✓ |
| Reasoning | ✓ | ✓ |
| Audio | — | — |
| Prompt caching | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Web search | ✓ | — |
Related comparisons
Frequently asked questions
Which is cheaper, Claude Fable 5.1 or DeepSeek V4 Pro 0423?
DeepSeek V4 Pro 0423 is cheaper for input ($10.00 vs $0.435 per 1M tokens) from Tencent. DeepSeek V4 Pro 0423 is cheaper for output ($50.00 vs $0.87 per 1M tokens) from Tencent.
What is the context window difference between Claude Fable 5.1 and DeepSeek V4 Pro 0423?
Both Claude Fable 5.1 and DeepSeek V4 Pro 0423 have about a 1M-token context window.
How do Claude Fable 5.1 and DeepSeek V4 Pro 0423 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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