head-to-head · model vs model
Claude Opus 4.8 vs gpt-oss-20b
Live matchup data for Claude Opus 4.8 and gpt-oss-20b: OpenRouter usage, pricing, benchmark scores, and community sentiment, refreshed daily. No verdicts — read the tape.
usage share — openrouter model rankings
Usage crossover
current leader: Claude Opus 4.8
source: OpenRouter model rankings · daily · 90d
through Jul 7, 2026
side by side
Spec & pricing
| Spec | Claude Opus 4.8 | gpt-oss-20b |
|---|---|---|
| Vendor | Anthropic | OpenAI |
| Homepage | openrouter.ai | openrouter.ai |
| Context window | 1M tokens | 131.1K tokens |
| Input price | $5.00/MTok | $0.00/MTok |
| Output price | $25.00/MTok | $0.00/MTok |
| Cache read | $0.5/MTok | — |
| Price as of | Jul 8, 2026 · openrouter | Jul 8, 2026 · openrouter |
sources: provider pages · OpenRouter · GitHub · package registries
— = not tracked / not applicable
head to head
Benchmarks
| Benchmark | Claude Opus 4.8 | gpt-oss-20b | Source |
|---|---|---|---|
| aa-agentic-index | 47.2 index— · anthropic/claude-opus-4.8 | 3.1 index— · openai/gpt-oss-20b:free | openrouter.ai |
| aa-coding-index | 74.3 index— · anthropic/claude-opus-4.8 | 20.7 index— · openai/gpt-oss-20b:free | openrouter.ai |
| aa-intelligence-index | 55.7 index— · anthropic/claude-opus-4.8 | 14.9 index— · openai/gpt-oss-20b:free | openrouter.ai |
best tracked score per benchmark · scores are not directly comparable across benchmarks
sources linked per row
community pulse
Reddit sentiment
| Signal | Claude Opus 4.8 | gpt-oss-20b |
|---|---|---|
sentiment feed pending — Reddit pulse lands with the daily crawl | ||
source: Reddit mentions, LLM-classified sentiment · trailing 30d
awaiting first crawl
faq
Frequently asked
- Is Claude Opus 4.8 more used than gpt-oss-20b?
- As of Jul 7, 2026, Claude Opus 4.8 shows 4% of OpenRouter token volume and gpt-oss-20b shows 0.3% of OpenRouter token volume. The chart above tracks the full daily series with every lead change marked.
- How does Claude Opus 4.8 pricing compare to gpt-oss-20b?
- Claude Opus 4.8 runs $5.00 per million input tokens and $25.00 per million output tokens (as of Jul 8, 2026). gpt-oss-20b runs $0.00 per million input tokens and $0.00 per million output tokens (as of Jul 8, 2026). Full plan and per-token detail is in the spec table above, each with its source and capture date.
- How do Claude Opus 4.8 and gpt-oss-20b score on coding benchmarks?
- On aa-agentic-index, Claude Opus 4.8 scores 47.2 index (—) and gpt-oss-20b scores 3.1 index (—). All tracked results and their sources are in the benchmark table above.
- Where does this comparison data come from?
- OpenRouter public rankings (usage), provider pricing pages (plans and per-token prices), GitHub and package registries (adoption), public benchmark leaderboards, and Reddit (sentiment). Every stored datum keeps its source URL, and the tape refreshes daily. The Token Tape publishes the data without declaring a winner.
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