Claude Fable 5 is the strongest alternative to Claude Opus 4.6 — it scores 100 vs 99 on coding at $10/1M input (Claude Opus 4.6 costs $15/1M). Claude Fable 5 is the budget swap: $10/1M input is 33% cheaper. DeepSeek V3 is the top open-weight option if you want a model you can self-host.
The shortest way to see the safest default, the lower-cost option, and the specialist pick before you read deeper.
Claude Fable 5 is the safest overall answer here when you want the strongest default instead of the lowest list price.
Meta: Llama 3.1 8B Instruct is the lower-cost option to start with when you still need useful output at scale.
DeepSeek V3 is the better pick when response speed matters more than maximum reasoning depth.
Claude Fable 5 beats Claude Opus 4.6 on coding (100 vs 99) at $10/1M input tokens.
Claude Fable 5 cuts input cost by 33% ($10 vs $15/1M) while scoring 100/100 on coding.
DeepSeek V3 is open-weight — self-host it or run it via low-cost API providers at $0.27/1M input.
Choose Claude Fable 5 when you want the closest overall replacement — the hardest coding tasks.
Choose Claude Fable 5 when token volume matters more than peak quality — it is 33% cheaper on input.
Staying with Anthropic? Claude Fable 5 is the strongest in-house switch at $10/1M input.
Switch the scoring lens to see whether the top answer changes when you care more about cost, speed, or long-document work.
Anthropic / Premium / Jun 9, 2026
New global #1 — 80.3% SWE-Bench Pro, the most capable model generally available.
Ranks models by the broadest mix of coding, writing, research, and long-context usefulness.
You are latency- or cost-sensitive, or your tasks don't need frontier-level reasoning — Opus 4.8 at half the price is plenty.
The fastest way to see where the recommendation shifts when your priority changes.
Previous Opus flagship, now superseded by Claude Opus 4.7.
New global #1 — 80.3% SWE-Bench Pro, the most capable model generally available.
GPT-4o-class coding quality at under $0.30/1M — the best value in the directory.
The frontier ceiling — same model as Fable 5, safeguards lifted, partner-only.
80.3% SWE-Bench Pro — the new #1, up from Opus 4.8's 69.2% and GPT-5.5's 58.6%
1932 on GDPval-AA, ahead of Opus 4.8 (1890) and GPT-5.5 (1769)
1M-token context at standard pricing, 128K max output per request
Mythos-class capability released for general use with new cyber-risk safeguards
Priced at $10/$50 per 1M tokens — double Opus 4.8 ($5/$25)
Deliberate pace; not for latency-sensitive interactive apps
Standard-use safeguards block some high-risk security workloads (use Mythos 5 with partner access)
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Claude Fable 5 is the strongest overall alternative. It scores 100/100 on coding (Claude Opus 4.6: 99/100) and costs $10/1M input vs $15/1M. New global #1 — 80.3% SWE-Bench Pro, the most capable model generally available.
Claude Fable 5 at $10/1M input — 33% cheaper than Claude Opus 4.6's $15/1M. It scores 100/100 on coding, so expect a quality step down on the hardest tasks.
Yes — DeepSeek V3 is the strongest open-weight alternative (coding: 87/100). You can self-host it or use hosted APIs at $0.27/1M input, and there are no per-seat subscription fees.
Claude Fable 5 — same provider, same API surface, $10/1M input vs $15/1M. New global #1 — 80.3% SWE-Bench Pro, the most capable model generally available.
Still strong for high-stakes engineering work, but Opus 4.7 is the newer premium coding leader.