Humanlike AIThe model index

Side by side

GPT-5.6 vs Claude Opus 5

Up to 4 models, normalised onto the same cost basis and scored through the lens you pick.

OpenAI logo
GPT-5.6
OpenAI
Anthropic logo
Claude Opus 5
Anthropic
Cost of talking
Per minute$0.0083Estimate$0.096Estimate
Per hour$0.499$5.76
30-min interview$0.249$2.88
List price$1.25 / $10 per 1MEstimate$15 / $75 per 1MEstimate
Recruitment fit
Overall86/10091/100
VerdictThe pragmatic hiring default — Terra handles almost every screening and drafting task at a fraction of frontier cost.The best choice for rubric-based scoring, where consistency across a batch matters more than peak score.
Best for
CV screening at volumeCandidate Q&AInterview note summarisation
Structured scoringBias-audit passes over model outputCandidate feedback drafting
Watch out for
  • Sol is not a substitute for a human on final decisions
  • Public benchmark coverage for this alias is thin
  • Opus pricing makes it unsuitable for first-pass parsing
  • Use Haiku for the cheap steps
Capabilities
Modalitiestext, audiotext
Context window400K200K
VariantsSol, Terra, LunaOpus 5, Sonnet 5, Haiku 4.5
On HumanLikeCoworker, Live ChatNot yet
HumanLike evals
Default Coworker chat modelLunaOur eval—
Published benchmarks
MMLU-ProTBDEstimate—

Cost per hour assumes 150 wpm and a 40% AI speaking share. Hover a figure for its full derivation.