Data points: 29
The readout for Claude Opus 4.6 and Fish Speech 1.5, before the detailed comparison sheet.
Decision read
Claude Opus 4.6
Claude Opus 4.6 currently has the stronger profile, with verified wins split 4 to 0.
Evidence depth
29 data points
Includes 0 benchmark rows, 0 audit samples, and 3 provider examples.
Selection signal
Start with Claude Opus 4.6
The charts below split 3 high-signal samples across speed, scores, and audit health.
Model compare Claude Opus 4.6 vs Fish Speech 1.5claude-opus-4-6-vs-fish-speech-1-5 | Model A Claude Opus 4.6 | Model B Fish Speech 1.5 |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 4 wins | 0 wins |
| Where it leads | Cheapest input price, Free providers, Provider coverage, Recent tests | No data |
| Model metadata | Claude Opus 4.6 exposes 1M tokens; notable signals: Text input, Image input, File input, Text output. | No OpenRouter metadata is available yet for this model. |
| Developer | Anthropic | No data |
| Context window | 1M tokens | No data |
| Max output | 128K tokens | No data |
| Released | Apr 2026 | No data |
| Modalities | Input TextImageFile Output Text | No data |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | None listed |
| Parameters | No data | No data |
| Tokenizer | Claude | No data |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | anthropic/claude-opus-4.6-fast | No data |
| References | No data | No data |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | Claude Opus 4.6 | Fish Speech 1.5 |
|---|---|---|
| No shared benchmark metrics are available yet. | ||
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude Opus 4.6 | Fish Speech 1.5 |
|---|---|---|
| No completed audits are available from shared providers yet. | ||
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | Claude Opus 4.6 | Fish Speech 1.5 |
|---|---|---|
WAADRI0 tests | Claude Opus 4.6 speed / latency N/A / N/A input / output No data | Fish Speech 1.5 speed / latency N/A / N/A input / output No data |
Xiao Wan0 tests | Claude Opus 4.6 claude-opus-4-6 speed / latency N/A / N/A input / output $100.00/M / $100.00/M | Fish Speech 1.5 fishaudio/fish-speech-1.5 speed / latency N/A / N/A input / output $75.00/M / $75.00/M |
天絮 API0 tests | Claude Opus 4.6 speed / latency N/A / N/A input / output No data | Fish Speech 1.5 speed / latency N/A / N/A input / output No data |
This report only uses LMSpeed data for Claude Opus 4.6 and Fish Speech 1.5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Claude Opus 4.6 | Fish Speech 1.5 |
|---|---|---|
| When to choose each model | Claude Opus 4.6 Claude Opus 4.6 is stronger when you prioritize Cheapest input price, Free providers, Provider coverage, Recent tests. | Fish Speech 1.5 Fish Speech 1.5 does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. |
TL;DR: Claude Opus 4.6 leads across 29 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Claude Opus 4.6 vs Fish Speech 1.5 into nearby model comparisons with enough verified LMSpeed data.
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
