Compare · ModelsLive · 2 picked · head to head

Claude Haiku 4.5 vs gpt-oss-20b

Side by side · benchmarks, pricing, and signals you can act on.

Winner summary

Not enough overlapping benchmarks to declare a winner yet · Claude Haiku 4.5 · gpt-oss-20b are still filling in scores.

Hype vs Reality
Claude Haiku 4.5
#204 by perf·no signal
QUIET
gpt-oss-20b
#29 by perf·no signal
QUIET
Best value
69.8x better value than Claude Haiku 4.5
Claude Haiku 4.5
11.4 pts/$
$3.00/M
gpt-oss-20b
797.6 pts/$
$0.08/M
Vendor risk
Anthropic logo
Anthropic
$380.0B·Tier 1
Medium risk
OpenAI logo
OpenAI
$840.0B·Tier 1
Medium risk
Pricing · per 1M tokens · projected $/mo at 10M tokens
ModelInputOutputContextProjected $/mo
Anthropic logoClaude Haiku 4.5$1.00$5.00200K tokens (~100 books)$20.00
OpenAI logogpt-oss-20b$0.03$0.14131K tokens (~66 books)$0.57