Claude Fable 5 vs GPT Chat Latest compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.
Claude Fable 5 — full profile › · GPT Chat Latest — 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 Fable 5 | GPT Chat Latest | Winner |
|---|---|---|---|
| Maker | Anthropic | OpenAI | – |
| Type | Proprietary | Proprietary | – |
| Context window | 1M tokens | 400K tokens | |
| Input price | $10/M | $5/M | |
| Output price | $50/M | $30/M | |
| Vision / multimodal | Yes | Yes | = Tie |
| Tool / function calling | Yes | Yes | = Tie |
| Self-hostable | No (API only) | No (API only) | – |
| License | Proprietary | Proprietary | – |
GPT Chat Latest is ~1.7× cheaper than Claude Fable 5 on output tokens ($30 vs $50 per M tokens).
| Capability | Claude Fable 5 | GPT Chat Latest |
|---|---|---|
| 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 Fable 5 | GPT Chat Latest |
|---|---|---|
| Cost-efficiency | 2.0 | 3.0 |
| Context window | 5.0 | 4.5 |
| Openness | 1.5 | 1.5 |
| Self-hosting | 1.0 | 1.0 |
| Multimodality | 5.0 | 5.0 |
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.
Claude Fable 5 is a Mythos-class model from Anthropic, built for autonomous knowledge work and coding. It supports text, image, and file inputs with text output, with reasoning support and...
GPT Chat Latest points to OpenAI's stable API alias `chat-latest` that always resolves to the latest Instant chat model used in ChatGPT. As OpenAI rolls out new Instant model updates...
GPT Chat Latest is cheaper on output ($30/M vs $50/M).
Claude Fable 5 offers the larger context window (1M tokens).
Choose GPT Chat Latest for the lower output price ($30/M vs $50/M). Choose Claude Fable 5 if you need the larger 1M context window.
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