Claude Fable 5 vs Gemini 3.6 Flash: Specs & Benchmark Comparison
Claude Fable 5 is developed by Anthropic, while Gemini 3.6 Flash comes from Google. Claude Fable 5 was released in June 2026, and Gemini 3.6 Flash followed a month later in July 2026.
The two models share 4 published benchmarks. Claude Fable 5 leads on 4 of them. The widest gaps are on SWE-Bench Pro, where Claude Fable 5 scores 80.0% against 58.7%; DeepSWE 1.1, where Claude Fable 5 scores 70.0% against 49.0%. Averaged across everything we track, Claude Fable 5 sits at 59.8% and Gemini 3.6 Flash at 68.0%.
Gemini 3.6 Flash is the cheaper API at $1.50 per million input tokens and $7.50 per million output tokens, roughly 7 times cheaper than Claude Fable 5 at $10 and $50. Both accept a context window of about 1M tokens. Both accept text and images as input.
| Characteristic | Claude Fable 5 | Gemini 3.6 Flash |
|---|---|---|
| Company | Anthropic | |
| Release Date | June 9, 2026 | July 21, 2026 |
| Parameters | — | — |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | 1.0M |
| Context (output) | 128K | 66K |
| Input Price / 1M | $10.00 | $1.50 |
| Output Price / 1M | $50.00 | $7.50 |
| Average Score | 59.8% | 68.0% |
| Benchmarks | ||
| SWE-Bench Pro | 80.0% | 58.7% |
| DeepSWE 1.1 | 70.0% | 49.0% |
| Terminal-Bench 2.1 | 84.3% | 78.0% |
| OSWorld-Verified | 85.0% | 83.0% |
Visual Benchmark Comparison
Verdict
Gemini 3.6 Flash leads in 3 out of 4 comparison categories.
Both models show comparable average scores: Claude Fable 5 — 0.6, Gemini 3.6 Flash — 0.7.
Gemini 3.6 Flash is 6.7x cheaper: input $1.50/1M vs $10.00/1M tokens.
Gemini 3.6 Flash supports a larger context: 1M vs 1M tokens.
Gemini 3.6 Flash is newer: released 7/21/2026 vs 6/9/2026.
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Frequently Asked Questions
Which is better for coding — Claude Fable 5 or Gemini 3.6 Flash?
Which model is cheaper — Claude Fable 5 or Gemini 3.6 Flash?
Which has a larger context window — Claude Fable 5 or Gemini 3.6 Flash?
The Claude Fable 5 and Gemini 3.6 Flash comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Claude Fable 5 or Gemini 3.6 Flash page. See also the complete list of AI model comparisons.