Claude Fable 5.1 vs Gemini 4 Argon
Compare Claude Fable 5.1 vs Gemini 4 Argon API pricing, token costs, context windows, and latency. See which model is cheaper and better for your stack.
Claude Fable 5.1 charges $10.00/1M input and $50.00/1M output tokens, compared to Gemini 4 Argon at $4.00/1M input and $20.00/1M output. Gemini 4 Argon is 2.5x cheaper on input tokens. In reasoning benchmarks, Gemini 4 Argon holds the higher AA Intelligence Index rating (50/100). For latency-critical streaming, Claude Fable 5.1 delivers 88 t/s (155.0s TTFT) while Gemini 4 Argon provides 56 t/s (38.0s TTFT).
Full Metric & Specification Comparison
| Metric | Claude Fable 5.1 | Gemini 4 Argon | Advantage |
|---|---|---|---|
| Provider | Anthropic | - | |
| Input Token Cost (1M) | $10.000 | $4.000 | Gemini 4 Argon |
| Output Token Cost (1M) | $50.000 | $20.000 | Gemini 4 Argon |
| Context Window | 1,000k tokens | 1,000k tokens | Tie |
| AA Intelligence Index | 49/100 | 50/100 | Gemini 4 Argon |
| Streaming Latency | Moderate | Moderate | - |
Key Architectural Takeaways
- Input Token Cost: Claude Fable 5.1 is $10.00/1M vs Gemini 4 Argon at $4.00/1M
- Output Token Cost: Claude Fable 5.1 is $50.00/1M vs Gemini 4 Argon at $20.00/1M
- Context Window: Claude Fable 5.1 supports 1,000k tokens vs Gemini 4 Argon with 1,000k tokens
- Benchmark Intelligence Rating: Claude Fable 5.1 scores 49/100 vs Gemini 4 Argon at 50/100 (AA Index v5)
- Inference Latency: Claude Fable 5.1 is rated Moderate vs Gemini 4 Argon rated Moderate
Calculate Your Team's Exact Bill Difference
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Deploying Gemini 4 Argon over Claude Fable 5.1 saves $315.00/mo ($3780/yr) at this volume.
Frequently Asked Questions
Is Claude Fable 5.1 cheaper than Gemini 4 Argon?
Gemini 4 Argon is significantly more economical, charging $4.00/1M input compared to $10.00/1M for Claude Fable 5.1.
Which model should I choose for production?
If your primary constraint is API cost and high query throughput, choose Gemini 4 Argon. If you require peak reasoning accuracy and complex tool use, Gemini 4 Argon is recommended.
How does context window compare between Claude Fable 5.1 and Gemini 4 Argon?
Claude Fable 5.1 offers the larger context window (1,000k tokens), allowing you to pass significantly larger codebases or documents without chunking.
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