Claude Sonnet 5 vs Morph V3 Fast compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.
Claude Sonnet 5 — full profile › · Morph V3 Fast — full profile ›
Prices & specs refreshed from live data · olud.ai
Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.
| Spec | Claude Sonnet 5 | Morph V3 Fast | Winner |
|---|---|---|---|
| Maker | Anthropic | Morph | – |
| Type | Proprietary | Proprietary | – |
| Context window | 1M tokens | 82K tokens | |
| Input price | $2/M | $0.8/M | MOMorph V3 Fast |
| Output price | $10/M | $1.2/M | MOMorph V3 Fast |
| Vision / multimodal | Yes | No | |
| Tool / function calling | Yes | No | |
| Self-hostable | No (API only) | No (API only) | – |
| License | Proprietary | Proprietary | – |
Morph V3 Fast is ~8.3× cheaper than Claude Sonnet 5 on output tokens ($1.2 vs $10 per M tokens).
| Capability | Claude Sonnet 5 | Morph V3 Fast |
|---|---|---|
| Open weights (downloadable) | ✗ | ✗ |
| Self-hostable | ✗ | ✗ |
| Runs fully offline | ✗ | ✗ |
| Vision / multimodal | ✓ | ✗ |
| Tool / function calling | ✓ | ✗ |
| 1M+ context window | ✓ | ✗ |
Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).
Benchmark data by Artificial Analysis.
| Criterion | Claude Sonnet 5 | Morph V3 Fast |
|---|---|---|
| Cost-efficiency | 3.5 | 4.5 |
| Context window | 5.0 | 3.0 |
| Openness | 1.5 | 1.5 |
| Self-hosting | 1.0 | 1.0 |
| Multimodality | 5.0 | 2.0 |
Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.
Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work. It supports adaptive thinking with selectable reasoning effort levels (low, medium, high, max,...
Morph's fastest apply model for code edits. ~10,500 tokens/sec with 96% accuracy for rapid code transformations. The model requires the prompt to be in the following format: <instruction>{instruction}</instruction> <code>{initial_code}</cod
These variants are tracked but not compared here — one page per family keeps the comparison readable.
Morph V3 Fast is cheaper on output ($1.2/M vs $10/M).
Claude Sonnet 5 offers the larger context window (1M tokens).
Choose Morph V3 Fast for the lower output price ($1.2/M vs $10/M). Choose Claude Sonnet 5 if you need the larger 1M context window.
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